OrgACRN
/
acrn-kernel
mirror of https://github.com/projectacrn/acrn-kernel.git
1
0
Fork 0
Code Issues Releases Wiki Activity

Documentation/mm: modify page_referenced to folio_referenced 

Since commit b3ac04132c ("mm/rmap: Turn page_referenced() into
folio_referenced()") the page_referenced function name was modified,
so fix it up to use the correct one.

Signed-off-by: Vernon Yang <vernon2gm@gmail.com>
Reviewed-by: Mike Rapoport <rppt@linux.ibm.com>
Link: https://lore.kernel.org/r/20220926152032.74621-1-vernon2gm@gmail.com
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
This commit is contained in:
Vernon Yang 2022-09-26 23:20:32 +08:00 committed by Jonathan Corbet
parent 26e5444809
commit 9a7d7a80e1
1 changed files with 3 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
Documentation/mm/unevictable-lru.rst
View File

@ -197,7 +197,7 @@ unevictable list for the memory cgroup and node being scanned.
There may be situations where a page is mapped into a VM_LOCKED VMA, but the
page is not marked as PG_mlocked. Such pages will make it all the way to
shrink_active_list() or shrink_page_list() where they will be detected when
vmscan walks the reverse map in page_referenced() or try_to_unmap(). The page
vmscan walks the reverse map in folio_referenced() or try_to_unmap(). The page
is culled to the unevictable list when it is released by the shrinker.
To "cull" an unevictable page, vmscan simply puts the page back on the LRU list
@ -267,7 +267,7 @@ the LRU. Such pages can be "noticed" by memory management in several places:
(4) in the fault path and when a VM_LOCKED stack segment is expanded; or
(5) as mentioned above, in vmscan:shrink_page_list() when attempting to
reclaim a page in a VM_LOCKED VMA by page_referenced() or try_to_unmap().
reclaim a page in a VM_LOCKED VMA by folio_referenced() or try_to_unmap().
mlocked pages become unlocked and rescued from the unevictable list when:
@ -547,7 +547,7 @@ vmscan's shrink_inactive_list() and shrink_page_list() also divert obviously
unevictable pages found on the inactive lists to the appropriate memory cgroup
and node unevictable list.
rmap's page_referenced_one(), called via vmscan's shrink_active_list() or
rmap's folio_referenced_one(), called via vmscan's shrink_active_list() or
shrink_page_list(), and rmap's try_to_unmap_one() called via shrink_page_list(),
check for (3) pages still mapped into VM_LOCKED VMAs, and call mlock_vma_page()
to correct them. Such pages are culled to the unevictable list when released