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mm, page_alloc: rename __GFP_WAIT to __GFP_RECLAIM 

__GFP_WAIT was used to signal that the caller was in atomic context and
could not sleep.  Now it is possible to distinguish between true atomic
context and callers that are not willing to sleep.  The latter should
clear __GFP_DIRECT_RECLAIM so kswapd will still wake.  As clearing
__GFP_WAIT behaves differently, there is a risk that people will clear the
wrong flags.  This patch renames __GFP_WAIT to __GFP_RECLAIM to clearly
indicate what it does -- setting it allows all reclaim activity, clearing
them prevents it.

[akpm@linux-foundation.org: fix build]
[akpm@linux-foundation.org: coding-style fixes]
Signed-off-by: Mel Gorman <mgorman@techsingularity.net>
Acked-by: Michal Hocko <mhocko@suse.com>
Acked-by: Vlastimil Babka <vbabka@suse.cz>
Acked-by: Johannes Weiner <hannes@cmpxchg.org>
Cc: Christoph Lameter <cl@linux.com>
Acked-by: David Rientjes <rientjes@google.com>
Cc: Vitaly Wool <vitalywool@gmail.com>
Cc: Rik van Riel <riel@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Mel Gorman 2015-11-06 16:28:28 -08:00 committed by Linus Torvalds
parent 4011337083
commit 71baba4b92
38 changed files with 71 additions and 68 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
block/blk-core.c
View File

@ -638,7 +638,7 @@ int blk_queue_enter(struct request_queue *q, gfp_t gfp)
if (percpu_ref_tryget_live(&q->q_usage_counter))
return 0;
if (!(gfp & __GFP_WAIT))
if (!gfpflags_allow_blocking(gfp))
return -EBUSY;
ret = wait_event_interruptible(q->mq_freeze_wq,
@ -2038,7 +2038,7 @@ void generic_make_request(struct bio *bio)
do {
struct request_queue *q = bdev_get_queue(bio->bi_bdev);
if (likely(blk_queue_enter(q, __GFP_WAIT) == 0)) {
if (likely(blk_queue_enter(q, __GFP_DIRECT_RECLAIM) == 0)) {
q->make_request_fn(q, bio);

2
block/blk-mq.c
View File

@ -1186,7 +1186,7 @@ static struct request *blk_mq_map_request(struct request_queue *q,
ctx = blk_mq_get_ctx(q);
hctx = q->mq_ops->map_queue(q, ctx->cpu);
blk_mq_set_alloc_data(&alloc_data, q,
__GFP_WAIT|__GFP_HIGH, false, ctx, hctx);
__GFP_RECLAIM|__GFP_HIGH, false, ctx, hctx);
rq = __blk_mq_alloc_request(&alloc_data, rw);
ctx = alloc_data.ctx;
hctx = alloc_data.hctx;

6
block/scsi_ioctl.c
View File

@ -444,7 +444,7 @@ int sg_scsi_ioctl(struct request_queue *q, struct gendisk *disk, fmode_t mode,
}
rq = blk_get_request(q, in_len ? WRITE : READ, __GFP_WAIT);
rq = blk_get_request(q, in_len ? WRITE : READ, __GFP_RECLAIM);
if (IS_ERR(rq)) {
err = PTR_ERR(rq);
goto error_free_buffer;
@ -495,7 +495,7 @@ int sg_scsi_ioctl(struct request_queue *q, struct gendisk *disk, fmode_t mode,
break;
}
if (bytes && blk_rq_map_kern(q, rq, buffer, bytes, __GFP_WAIT)) {
if (bytes && blk_rq_map_kern(q, rq, buffer, bytes, __GFP_RECLAIM)) {
err = DRIVER_ERROR << 24;
goto error;
}
@ -536,7 +536,7 @@ static int __blk_send_generic(struct request_queue *q, struct gendisk *bd_disk,
struct request *rq;
int err;
rq = blk_get_request(q, WRITE, __GFP_WAIT);
rq = blk_get_request(q, WRITE, __GFP_RECLAIM);
if (IS_ERR(rq))
return PTR_ERR(rq);
blk_rq_set_block_pc(rq);

2
drivers/block/drbd/drbd_bitmap.c
View File

@ -1007,7 +1007,7 @@ static void bm_page_io_async(struct drbd_bm_aio_ctx *ctx, int page_nr) __must_ho
bm_set_page_unchanged(b->bm_pages[page_nr]);
if (ctx->flags & BM_AIO_COPY_PAGES) {
page = mempool_alloc(drbd_md_io_page_pool, __GFP_HIGHMEM|__GFP_WAIT);
page = mempool_alloc(drbd_md_io_page_pool, __GFP_HIGHMEM|__GFP_RECLAIM);
copy_highpage(page, b->bm_pages[page_nr]);
bm_store_page_idx(page, page_nr);
} else

2
drivers/block/mtip32xx/mtip32xx.c
View File

@ -173,7 +173,7 @@ static struct mtip_cmd *mtip_get_int_command(struct driver_data *dd)
{
struct request *rq;
rq = blk_mq_alloc_request(dd->queue, 0, __GFP_WAIT, true);
rq = blk_mq_alloc_request(dd->queue, 0, __GFP_RECLAIM, true);
return blk_mq_rq_to_pdu(rq);
}

2
drivers/block/paride/pd.c
View File

@ -723,7 +723,7 @@ static int pd_special_command(struct pd_unit *disk,
struct request *rq;
int err = 0;
rq = blk_get_request(disk->gd->queue, READ, __GFP_WAIT);
rq = blk_get_request(disk->gd->queue, READ, __GFP_RECLAIM);
if (IS_ERR(rq))
return PTR_ERR(rq);

4
drivers/block/pktcdvd.c
View File

@ -704,14 +704,14 @@ static int pkt_generic_packet(struct pktcdvd_device *pd, struct packet_command *
int ret = 0;
rq = blk_get_request(q, (cgc->data_direction == CGC_DATA_WRITE) ?
WRITE : READ, __GFP_WAIT);
WRITE : READ, __GFP_RECLAIM);
if (IS_ERR(rq))
return PTR_ERR(rq);
blk_rq_set_block_pc(rq);
if (cgc->buflen) {
ret = blk_rq_map_kern(q, rq, cgc->buffer, cgc->buflen,
__GFP_WAIT);
__GFP_RECLAIM);
if (ret)
goto out;
}

2
drivers/gpu/drm/i915/i915_gem.c
View File

@ -2216,7 +2216,7 @@ i915_gem_object_get_pages_gtt(struct drm_i915_gem_object *obj)
mapping = file_inode(obj->base.filp)->i_mapping;
gfp = mapping_gfp_mask(mapping);
gfp |= __GFP_NORETRY | __GFP_NOWARN;
gfp &= ~(__GFP_IO | __GFP_WAIT);
gfp &= ~(__GFP_IO | __GFP_RECLAIM);
sg = st->sgl;
st->nents = 0;
for (i = 0; i < page_count; i++) {

2
drivers/ide/ide-atapi.c
View File

@ -92,7 +92,7 @@ int ide_queue_pc_tail(ide_drive_t *drive, struct gendisk *disk,
struct request *rq;
int error;
rq = blk_get_request(drive->queue, READ, __GFP_WAIT);
rq = blk_get_request(drive->queue, READ, __GFP_RECLAIM);
rq->cmd_type = REQ_TYPE_DRV_PRIV;
rq->special = (char *)pc;

2
drivers/ide/ide-cd.c
View File

@ -441,7 +441,7 @@ int ide_cd_queue_pc(ide_drive_t *drive, const unsigned char *cmd,
struct request *rq;
int error;
rq = blk_get_request(drive->queue, write, __GFP_WAIT);
rq = blk_get_request(drive->queue, write, __GFP_RECLAIM);
memcpy(rq->cmd, cmd, BLK_MAX_CDB);
rq->cmd_type = REQ_TYPE_ATA_PC;

2
drivers/ide/ide-cd_ioctl.c
View File

@ -303,7 +303,7 @@ int ide_cdrom_reset(struct cdrom_device_info *cdi)
struct request *rq;
int ret;
rq = blk_get_request(drive->queue, READ, __GFP_WAIT);
rq = blk_get_request(drive->queue, READ, __GFP_RECLAIM);
rq->cmd_type = REQ_TYPE_DRV_PRIV;
rq->cmd_flags = REQ_QUIET;
ret = blk_execute_rq(drive->queue, cd->disk, rq, 0);

2
drivers/ide/ide-devsets.c
View File

@ -165,7 +165,7 @@ int ide_devset_execute(ide_drive_t *drive, const struct ide_devset *setting,
if (!(setting->flags & DS_SYNC))
return setting->set(drive, arg);
rq = blk_get_request(q, READ, __GFP_WAIT);
rq = blk_get_request(q, READ, __GFP_RECLAIM);
rq->cmd_type = REQ_TYPE_DRV_PRIV;
rq->cmd_len = 5;
rq->cmd[0] = REQ_DEVSET_EXEC;

2
drivers/ide/ide-disk.c
View File

@ -477,7 +477,7 @@ static int set_multcount(ide_drive_t *drive, int arg)
if (drive->special_flags & IDE_SFLAG_SET_MULTMODE)
return -EBUSY;
rq = blk_get_request(drive->queue, READ, __GFP_WAIT);
rq = blk_get_request(drive->queue, READ, __GFP_RECLAIM);
rq->cmd_type = REQ_TYPE_ATA_TASKFILE;
drive->mult_req = arg;

4
drivers/ide/ide-ioctls.c
View File

@ -125,7 +125,7 @@ static int ide_cmd_ioctl(ide_drive_t *drive, unsigned long arg)
if (NULL == (void *) arg) {
struct request *rq;
rq = blk_get_request(drive->queue, READ, __GFP_WAIT);
rq = blk_get_request(drive->queue, READ, __GFP_RECLAIM);
rq->cmd_type = REQ_TYPE_ATA_TASKFILE;
err = blk_execute_rq(drive->queue, NULL, rq, 0);
blk_put_request(rq);
@ -221,7 +221,7 @@ static int generic_drive_reset(ide_drive_t *drive)
struct request *rq;
int ret = 0;
rq = blk_get_request(drive->queue, READ, __GFP_WAIT);
rq = blk_get_request(drive->queue, READ, __GFP_RECLAIM);
rq->cmd_type = REQ_TYPE_DRV_PRIV;
rq->cmd_len = 1;
rq->cmd[0] = REQ_DRIVE_RESET;

2
drivers/ide/ide-park.c
View File

@ -31,7 +31,7 @@ static void issue_park_cmd(ide_drive_t *drive, unsigned long timeout)
}
spin_unlock_irq(&hwif->lock);
rq = blk_get_request(q, READ, __GFP_WAIT);
rq = blk_get_request(q, READ, __GFP_RECLAIM);
rq->cmd[0] = REQ_PARK_HEADS;
rq->cmd_len = 1;
rq->cmd_type = REQ_TYPE_DRV_PRIV;

4
drivers/ide/ide-pm.c
View File

@ -18,7 +18,7 @@ int generic_ide_suspend(struct device *dev, pm_message_t mesg)
}
memset(&rqpm, 0, sizeof(rqpm));
rq = blk_get_request(drive->queue, READ, __GFP_WAIT);
rq = blk_get_request(drive->queue, READ, __GFP_RECLAIM);
rq->cmd_type = REQ_TYPE_ATA_PM_SUSPEND;
rq->special = &rqpm;
rqpm.pm_step = IDE_PM_START_SUSPEND;
@ -88,7 +88,7 @@ int generic_ide_resume(struct device *dev)
}
memset(&rqpm, 0, sizeof(rqpm));
rq = blk_get_request(drive->queue, READ, __GFP_WAIT);
rq = blk_get_request(drive->queue, READ, __GFP_RECLAIM);
rq->cmd_type = REQ_TYPE_ATA_PM_RESUME;
rq->cmd_flags |= REQ_PREEMPT;
rq->special = &rqpm;

4
drivers/ide/ide-tape.c
View File

@ -852,7 +852,7 @@ static int idetape_queue_rw_tail(ide_drive_t *drive, int cmd, int size)
BUG_ON(cmd != REQ_IDETAPE_READ && cmd != REQ_IDETAPE_WRITE);
BUG_ON(size < 0 || size % tape->blk_size);
rq = blk_get_request(drive->queue, READ, __GFP_WAIT);
rq = blk_get_request(drive->queue, READ, __GFP_RECLAIM);
rq->cmd_type = REQ_TYPE_DRV_PRIV;
rq->cmd[13] = cmd;
rq->rq_disk = tape->disk;
@ -860,7 +860,7 @@ static int idetape_queue_rw_tail(ide_drive_t *drive, int cmd, int size)
if (size) {
ret = blk_rq_map_kern(drive->queue, rq, tape->buf, size,
__GFP_WAIT);
__GFP_RECLAIM);
if (ret)
goto out_put;
}

4
drivers/ide/ide-taskfile.c
View File

@ -430,7 +430,7 @@ int ide_raw_taskfile(ide_drive_t *drive, struct ide_cmd *cmd, u8 *buf,
int error;
int rw = !(cmd->tf_flags & IDE_TFLAG_WRITE) ? READ : WRITE;
rq = blk_get_request(drive->queue, rw, __GFP_WAIT);
rq = blk_get_request(drive->queue, rw, __GFP_RECLAIM);
rq->cmd_type = REQ_TYPE_ATA_TASKFILE;
/*
@ -441,7 +441,7 @@ int ide_raw_taskfile(ide_drive_t *drive, struct ide_cmd *cmd, u8 *buf,
*/
if (nsect) {
error = blk_rq_map_kern(drive->queue, rq, buf,
nsect * SECTOR_SIZE, __GFP_WAIT);
nsect * SECTOR_SIZE, __GFP_RECLAIM);
if (error)
goto put_req;
}

2
drivers/infiniband/hw/qib/qib_init.c
View File

@ -1680,7 +1680,7 @@ int qib_setup_eagerbufs(struct qib_ctxtdata *rcd)
* heavy filesystem activity makes these fail, and we can
* use compound pages.
*/
gfp_flags = __GFP_WAIT | __GFP_IO | __GFP_COMP;
gfp_flags = __GFP_RECLAIM | __GFP_IO | __GFP_COMP;
egrcnt = rcd->rcvegrcnt;
egroff = rcd->rcvegr_tid_base;

2
drivers/misc/vmw_balloon.c
View File

@ -75,7 +75,7 @@ MODULE_LICENSE("GPL");
/*
* Use __GFP_HIGHMEM to allow pages from HIGHMEM zone. We don't
* allow wait (__GFP_WAIT) for NOSLEEP page allocations. Use
* allow wait (__GFP_RECLAIM) for NOSLEEP page allocations. Use
* __GFP_NOWARN, to suppress page allocation failure warnings.
*/
#define VMW_PAGE_ALLOC_NOSLEEP (__GFP_HIGHMEM|__GFP_NOWARN)

6
drivers/nvme/host/pci.c
View File

@ -1025,11 +1025,13 @@ int __nvme_submit_sync_cmd(struct request_queue *q, struct nvme_command *cmd,
req->special = (void *)0;
if (buffer && bufflen) {
ret = blk_rq_map_kern(q, req, buffer, bufflen, __GFP_WAIT);
ret = blk_rq_map_kern(q, req, buffer, bufflen,
__GFP_DIRECT_RECLAIM);
if (ret)
goto out;
} else if (ubuffer && bufflen) {
ret = blk_rq_map_user(q, req, NULL, ubuffer, bufflen, __GFP_WAIT);
ret = blk_rq_map_user(q, req, NULL, ubuffer, bufflen,
__GFP_DIRECT_RECLAIM);
if (ret)
goto out;
bio = req->bio;

2
drivers/scsi/scsi_error.c
View File

@ -1970,7 +1970,7 @@ static void scsi_eh_lock_door(struct scsi_device *sdev)
struct request *req;
/*
* blk_get_request with GFP_KERNEL (__GFP_WAIT) sleeps until a
* blk_get_request with GFP_KERNEL (__GFP_RECLAIM) sleeps until a
* request becomes available
*/
req = blk_get_request(sdev->request_queue, READ, GFP_KERNEL);

4
drivers/scsi/scsi_lib.c
View File

@ -222,13 +222,13 @@ int scsi_execute(struct scsi_device *sdev, const unsigned char *cmd,
int write = (data_direction == DMA_TO_DEVICE);
int ret = DRIVER_ERROR << 24;
req = blk_get_request(sdev->request_queue, write, __GFP_WAIT);
req = blk_get_request(sdev->request_queue, write, __GFP_RECLAIM);
if (IS_ERR(req))
return ret;
blk_rq_set_block_pc(req);
if (bufflen && blk_rq_map_kern(sdev->request_queue, req,
buffer, bufflen, __GFP_WAIT))
buffer, bufflen, __GFP_RECLAIM))
goto out;
req->cmd_len = COMMAND_SIZE(cmd[0]);

2
drivers/staging/rdma/hfi1/init.c
View File

@ -1560,7 +1560,7 @@ int hfi1_setup_eagerbufs(struct hfi1_ctxtdata *rcd)
* heavy filesystem activity makes these fail, and we can
* use compound pages.
*/
gfp_flags = __GFP_WAIT | __GFP_IO | __GFP_COMP;
gfp_flags = __GFP_RECLAIM | __GFP_IO | __GFP_COMP;
/*
* The minimum size of the eager buffers is a groups of MTU-sized

2
drivers/staging/rdma/ipath/ipath_file_ops.c
View File

@ -905,7 +905,7 @@ static int ipath_create_user_egr(struct ipath_portdata *pd)
* heavy filesystem activity makes these fail, and we can
* use compound pages.
*/
gfp_flags = __GFP_WAIT | __GFP_IO | __GFP_COMP;
gfp_flags = __GFP_RECLAIM | __GFP_IO | __GFP_COMP;
egrcnt = dd->ipath_rcvegrcnt;
/* TID number offset for this port */

2
fs/cachefiles/internal.h
View File

@ -30,7 +30,7 @@ extern unsigned cachefiles_debug;
#define CACHEFILES_DEBUG_KLEAVE 2
#define CACHEFILES_DEBUG_KDEBUG 4
#define cachefiles_gfp (__GFP_WAIT | __GFP_NORETRY | __GFP_NOMEMALLOC)
#define cachefiles_gfp (__GFP_RECLAIM | __GFP_NORETRY | __GFP_NOMEMALLOC)
/*
* node records

2
fs/direct-io.c
View File

@ -361,7 +361,7 @@ dio_bio_alloc(struct dio *dio, struct dio_submit *sdio,
/*
* bio_alloc() is guaranteed to return a bio when called with
* __GFP_WAIT and we request a valid number of vectors.
* __GFP_RECLAIM and we request a valid number of vectors.
*/
bio = bio_alloc(GFP_KERNEL, nr_vecs);

2
fs/nilfs2/mdt.h
View File

@ -72,7 +72,7 @@ static inline struct nilfs_mdt_info *NILFS_MDT(const struct inode *inode)
}
/* Default GFP flags using highmem */
#define NILFS_MDT_GFP (__GFP_WAIT | __GFP_IO | __GFP_HIGHMEM)
#define NILFS_MDT_GFP (__GFP_RECLAIM | __GFP_IO | __GFP_HIGHMEM)
int nilfs_mdt_get_block(struct inode *, unsigned long, int,
void (*init_block)(struct inode *,

16
include/linux/gfp.h
View File

@ -107,7 +107,7 @@ struct vm_area_struct;
* can be cleared when the reclaiming of pages would cause unnecessary
* disruption.
*/
#define __GFP_WAIT ((__force gfp_t)(___GFP_DIRECT_RECLAIM|___GFP_KSWAPD_RECLAIM))
#define __GFP_RECLAIM ((__force gfp_t)(___GFP_DIRECT_RECLAIM|___GFP_KSWAPD_RECLAIM))
#define __GFP_DIRECT_RECLAIM ((__force gfp_t)___GFP_DIRECT_RECLAIM) /* Caller can reclaim */
#define __GFP_KSWAPD_RECLAIM ((__force gfp_t)___GFP_KSWAPD_RECLAIM) /* kswapd can wake */
@ -126,12 +126,12 @@ struct vm_area_struct;
*/
#define GFP_ATOMIC (__GFP_HIGH|__GFP_ATOMIC|__GFP_KSWAPD_RECLAIM)
#define GFP_NOWAIT (__GFP_KSWAPD_RECLAIM)
#define GFP_NOIO (__GFP_WAIT)
#define GFP_NOFS (__GFP_WAIT | __GFP_IO)
#define GFP_KERNEL (__GFP_WAIT | __GFP_IO | __GFP_FS)
#define GFP_TEMPORARY (__GFP_WAIT | __GFP_IO | __GFP_FS | \
#define GFP_NOIO (__GFP_RECLAIM)
#define GFP_NOFS (__GFP_RECLAIM | __GFP_IO)
#define GFP_KERNEL (__GFP_RECLAIM | __GFP_IO | __GFP_FS)
#define GFP_TEMPORARY (__GFP_RECLAIM | __GFP_IO | __GFP_FS | \
__GFP_RECLAIMABLE)
#define GFP_USER (__GFP_WAIT | __GFP_IO | __GFP_FS | __GFP_HARDWALL)
#define GFP_USER (__GFP_RECLAIM | __GFP_IO | __GFP_FS | __GFP_HARDWALL)
#define GFP_HIGHUSER (GFP_USER | __GFP_HIGHMEM)
#define GFP_HIGHUSER_MOVABLE (GFP_HIGHUSER | __GFP_MOVABLE)
#define GFP_TRANSHUGE ((GFP_HIGHUSER_MOVABLE | __GFP_COMP | \
@ -143,12 +143,12 @@ struct vm_area_struct;
#define GFP_MOVABLE_SHIFT 3
/* Control page allocator reclaim behavior */
#define GFP_RECLAIM_MASK (__GFP_WAIT|__GFP_HIGH|__GFP_IO|__GFP_FS|\
#define GFP_RECLAIM_MASK (__GFP_RECLAIM|__GFP_HIGH|__GFP_IO|__GFP_FS|\
__GFP_NOWARN|__GFP_REPEAT|__GFP_NOFAIL|\
__GFP_NORETRY|__GFP_MEMALLOC|__GFP_NOMEMALLOC)
/* Control slab gfp mask during early boot */
#define GFP_BOOT_MASK (__GFP_BITS_MASK & ~(__GFP_WAIT|__GFP_IO|__GFP_FS))
#define GFP_BOOT_MASK (__GFP_BITS_MASK & ~(__GFP_RECLAIM|__GFP_IO|__GFP_FS))
/* Control allocation constraints */
#define GFP_CONSTRAINT_MASK (__GFP_HARDWALL|__GFP_THISNODE)

16
kernel/power/swap.c
View File

@ -257,7 +257,7 @@ static int hib_submit_io(int rw, pgoff_t page_off, void *addr,
struct bio *bio;
int error = 0;
bio = bio_alloc(__GFP_WAIT | __GFP_HIGH, 1);
bio = bio_alloc(__GFP_RECLAIM | __GFP_HIGH, 1);
bio->bi_iter.bi_sector = page_off * (PAGE_SIZE >> 9);
bio->bi_bdev = hib_resume_bdev;
@ -356,7 +356,7 @@ static int write_page(void *buf, sector_t offset, struct hib_bio_batch *hb)
return -ENOSPC;
if (hb) {
src = (void *)__get_free_page(__GFP_WAIT | __GFP_NOWARN |
src = (void *)__get_free_page(__GFP_RECLAIM | __GFP_NOWARN |
__GFP_NORETRY);
if (src) {
copy_page(src, buf);
@ -364,7 +364,7 @@ static int write_page(void *buf, sector_t offset, struct hib_bio_batch *hb)
ret = hib_wait_io(hb); /* Free pages */
if (ret)
return ret;
src = (void *)__get_free_page(__GFP_WAIT |
src = (void *)__get_free_page(__GFP_RECLAIM |
__GFP_NOWARN |
__GFP_NORETRY);
if (src) {
@ -672,7 +672,7 @@ static int save_image_lzo(struct swap_map_handle *handle,
nr_threads = num_online_cpus() - 1;
nr_threads = clamp_val(nr_threads, 1, LZO_THREADS);
page = (void *)__get_free_page(__GFP_WAIT | __GFP_HIGH);
page = (void *)__get_free_page(__GFP_RECLAIM | __GFP_HIGH);
if (!page) {
printk(KERN_ERR "PM: Failed to allocate LZO page\n");
ret = -ENOMEM;
@ -975,7 +975,7 @@ static int get_swap_reader(struct swap_map_handle *handle,
last = tmp;
tmp->map = (struct swap_map_page *)
__get_free_page(__GFP_WAIT | __GFP_HIGH);
__get_free_page(__GFP_RECLAIM | __GFP_HIGH);
if (!tmp->map) {
release_swap_reader(handle);
return -ENOMEM;
@ -1242,9 +1242,9 @@ static int load_image_lzo(struct swap_map_handle *handle,
for (i = 0; i < read_pages; i++) {
page[i] = (void *)__get_free_page(i < LZO_CMP_PAGES ?
__GFP_WAIT | __GFP_HIGH :
__GFP_WAIT | __GFP_NOWARN |
__GFP_NORETRY);
__GFP_RECLAIM | __GFP_HIGH :
__GFP_RECLAIM | __GFP_NOWARN |
__GFP_NORETRY);
if (!page[i]) {
if (i < LZO_CMP_PAGES) {

2
lib/percpu_ida.c
View File

@ -135,7 +135,7 @@ static inline unsigned alloc_local_tag(struct percpu_ida_cpu *tags)
* TASK_UNINTERRUPTIBLE | TASK_INTERRUPTIBLE, of course).
*
* @gfp indicates whether or not to wait until a free id is available (it's not
* used for internal memory allocations); thus if passed __GFP_WAIT we may sleep
* used for internal memory allocations); thus if passed __GFP_RECLAIM we may sleep
* however long it takes until another thread frees an id (same semantics as a
* mempool).
*

8
mm/failslab.c
View File

@ -3,11 +3,11 @@
static struct {
struct fault_attr attr;
bool ignore_gfp_wait;
bool ignore_gfp_reclaim;
bool cache_filter;
} failslab = {
.attr = FAULT_ATTR_INITIALIZER,
.ignore_gfp_wait = true,
.ignore_gfp_reclaim = true,
.cache_filter = false,
};
@ -16,7 +16,7 @@ bool should_failslab(size_t size, gfp_t gfpflags, unsigned long cache_flags)
if (gfpflags & __GFP_NOFAIL)
return false;
if (failslab.ignore_gfp_wait && (gfpflags & __GFP_WAIT))
if (failslab.ignore_gfp_reclaim && (gfpflags & __GFP_RECLAIM))
return false;
if (failslab.cache_filter && !(cache_flags & SLAB_FAILSLAB))
@ -42,7 +42,7 @@ static int __init failslab_debugfs_init(void)
return PTR_ERR(dir);
if (!debugfs_create_bool("ignore-gfp-wait", mode, dir,
&failslab.ignore_gfp_wait))
&failslab.ignore_gfp_reclaim))
goto fail;
if (!debugfs_create_bool("cache-filter", mode, dir,
&failslab.cache_filter))

2
mm/filemap.c
View File

@ -2713,7 +2713,7 @@ EXPORT_SYMBOL(generic_file_write_iter);
* page is known to the local caching routines.
*
* The @gfp_mask argument specifies whether I/O may be performed to release
* this page (__GFP_IO), and whether the call may block (__GFP_WAIT & __GFP_FS).
* this page (__GFP_IO), and whether the call may block (__GFP_RECLAIM & __GFP_FS).
*
*/
int try_to_release_page(struct page *page, gfp_t gfp_mask)

2
mm/huge_memory.c
View File

@ -786,7 +786,7 @@ static int __do_huge_pmd_anonymous_page(struct mm_struct *mm,
static inline gfp_t alloc_hugepage_gfpmask(int defrag, gfp_t extra_gfp)
{
return (GFP_TRANSHUGE & ~(defrag ? 0 : __GFP_WAIT)) | extra_gfp;
return (GFP_TRANSHUGE & ~(defrag ? 0 : __GFP_RECLAIM)) | extra_gfp;
}
/* Caller must hold page table lock. */

2
mm/memcontrol.c
View File

@ -2120,7 +2120,7 @@ static int try_charge(struct mem_cgroup *memcg, gfp_t gfp_mask,
/*
* If the hierarchy is above the normal consumption range, schedule
* reclaim on returning to userland. We can perform reclaim here
* if __GFP_WAIT but let's always punt for simplicity and so that
* if __GFP_RECLAIM but let's always punt for simplicity and so that
* GFP_KERNEL can consistently be used during reclaim. @memcg is
* not recorded as it most likely matches current's and won't
* change in the meantime. As high limit is checked again before

2
mm/migrate.c
View File

@ -1752,7 +1752,7 @@ int migrate_misplaced_transhuge_page(struct mm_struct *mm,
goto out_dropref;
new_page = alloc_pages_node(node,
(GFP_TRANSHUGE | __GFP_THISNODE) & ~__GFP_WAIT,
(GFP_TRANSHUGE | __GFP_THISNODE) & ~__GFP_RECLAIM,
HPAGE_PMD_ORDER);
if (!new_page)
goto out_fail;

9
mm/page_alloc.c
View File

@ -2160,11 +2160,11 @@ static struct {
struct fault_attr attr;
bool ignore_gfp_highmem;
bool ignore_gfp_wait;
bool ignore_gfp_reclaim;
u32 min_order;
} fail_page_alloc = {
.attr = FAULT_ATTR_INITIALIZER,
.ignore_gfp_wait = true,
.ignore_gfp_reclaim = true,
.ignore_gfp_highmem = true,
.min_order = 1,
};
@ -2183,7 +2183,8 @@ static bool should_fail_alloc_page(gfp_t gfp_mask, unsigned int order)
return false;
if (fail_page_alloc.ignore_gfp_highmem && (gfp_mask & __GFP_HIGHMEM))
return false;
if (fail_page_alloc.ignore_gfp_wait && (gfp_mask & __GFP_DIRECT_RECLAIM))
if (fail_page_alloc.ignore_gfp_reclaim &&
(gfp_mask & __GFP_DIRECT_RECLAIM))
return false;
return should_fail(&fail_page_alloc.attr, 1 << order);
@ -2202,7 +2203,7 @@ static int __init fail_page_alloc_debugfs(void)
return PTR_ERR(dir);
if (!debugfs_create_bool("ignore-gfp-wait", mode, dir,
&fail_page_alloc.ignore_gfp_wait))
&fail_page_alloc.ignore_gfp_reclaim))
goto fail;
if (!debugfs_create_bool("ignore-gfp-highmem", mode, dir,
&fail_page_alloc.ignore_gfp_highmem))

2
security/integrity/ima/ima_crypto.c
View File

@ -126,7 +126,7 @@ static void *ima_alloc_pages(loff_t max_size, size_t *allocated_size,
{
void *ptr;
int order = ima_maxorder;
gfp_t gfp_mask = __GFP_WAIT | __GFP_NOWARN | __GFP_NORETRY;
gfp_t gfp_mask = __GFP_RECLAIM | __GFP_NOWARN | __GFP_NORETRY;
if (order)
order = min(get_order(max_size), order);