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Message-Id: <20220926152032.74621-1-vernon2gm@gmail.com>
Date: Mon, 26 Sep 2022 23:20:32 +0800
From: Vernon Yang <vernon2gm@...il.com>
To: corbet@....net
Cc: akpm@...ux-foundation.org, bobwxc@...il.cn, hughd@...gle.com,
rppt@...nel.org, linux-doc@...r.kernel.org,
linux-kernel@...r.kernel.org, Vernon Yang <vernon2gm@...il.com>
Subject: [PATCH] Documentation/mm: modify page_referenced to folio_referenced
Since commit b3ac04132c4b ("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@...il.com>
---
Documentation/mm/unevictable-lru.rst | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/Documentation/mm/unevictable-lru.rst b/Documentation/mm/unevictable-lru.rst
index b280367d6a44..4a0e158aa9ce 100644
--- a/Documentation/mm/unevictable-lru.rst
+++ b/Documentation/mm/unevictable-lru.rst
@@ -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
--
2.25.1
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