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mm/slub: Make object_err() static 

There are no callers outside of mm/slub.c anymore.

Move freelist_corrupted() that calls object_err() to avoid a need for
forward declaration.

Signed-off-by: Vlastimil Babka <vbabka@suse.cz>
Reviewed-by: Roman Gushchin <guro@fb.com>
This commit is contained in:
Vlastimil Babka 2021-10-26 18:22:44 +02:00
parent c798154311
commit ae16d059f8
2 changed files with 15 additions and 18 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
include/linux/slub_def.h
View File

@ -156,9 +156,6 @@ static inline void sysfs_slab_release(struct kmem_cache *s)
}
#endif
void object_err(struct kmem_cache *s, struct page *page,
u8 *object, char *reason);
void *fixup_red_left(struct kmem_cache *s, void *p);
static inline void *nearest_obj(struct kmem_cache *cache, struct page *page,

30
mm/slub.c
View File

@ -822,20 +822,6 @@ static void slab_fix(struct kmem_cache *s, char *fmt, ...)
va_end(args);
}
static bool freelist_corrupted(struct kmem_cache *s, struct page *page,
void **freelist, void *nextfree)
{
if ((s->flags & SLAB_CONSISTENCY_CHECKS) &&
!check_valid_pointer(s, page, nextfree) && freelist) {
object_err(s, page, *freelist, "Freechain corrupt");
*freelist = NULL;
slab_fix(s, "Isolate corrupted freechain");
return true;
}
return false;
}
static void print_trailer(struct kmem_cache *s, struct page *page, u8 *p)
{
unsigned int off; /* Offset of last byte */
@ -875,7 +861,7 @@ static void print_trailer(struct kmem_cache *s, struct page *page, u8 *p)
dump_stack();
}
void object_err(struct kmem_cache *s, struct page *page,
static void object_err(struct kmem_cache *s, struct page *page,
u8 *object, char *reason)
{
if (slab_add_kunit_errors())
@ -886,6 +872,20 @@ void object_err(struct kmem_cache *s, struct page *page,
add_taint(TAINT_BAD_PAGE, LOCKDEP_NOW_UNRELIABLE);
}
static bool freelist_corrupted(struct kmem_cache *s, struct page *page,
void **freelist, void *nextfree)
{
if ((s->flags & SLAB_CONSISTENCY_CHECKS) &&
!check_valid_pointer(s, page, nextfree) && freelist) {
object_err(s, page, *freelist, "Freechain corrupt");
*freelist = NULL;
slab_fix(s, "Isolate corrupted freechain");
return true;
}
return false;
}
static __printf(3, 4) void slab_err(struct kmem_cache *s, struct page *page,
const char *fmt, ...)
{