linux-kernel - [PATCH v2] docs: cgroup-v1: Update page cache removal functions

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Date: Tue,  7 May 2024 12:34:27 +0200
From: Illia Ostapyshyn <illia@...yn.com>
To: Tejun Heo <tj@...nel.org>,
	Zefan Li <lizefan.x@...edance.com>,
	Johannes Weiner <hannes@...xchg.org>,
	Jonathan Corbet <corbet@....net>,
	Lukas Bulwahn <lukas.bulwahn@...il.com>
Cc: cgroups@...r.kernel.org,
	linux-doc@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	kernel-janitors@...r.kernel.org,
	Illia Ostapyshyn <illia@...yn.com>
Subject: [PATCH v2] docs: cgroup-v1: Update page cache removal functions

Commit 452e9e6992fe ("filemap: Add filemap_remove_folio and
__filemap_remove_folio") reimplemented __delete_from_page_cache() as
__filemap_remove_folio() and delete_from_page_cache() as
filemap_remove_folio().  The compatibility wrappers were finally removed
in ece62684dcfb ("hugetlbfs: convert hugetlb_delete_from_page_cache() to
use folios") and 6ffcd825e7d0 ("mm: Remove __delete_from_page_cache()").

Update the remaining references to dead functions in the memcg
implementation memo.

Signed-off-by: Illia Ostapyshyn <illia@...yn.com>
---

Changes in v2:
 * filemap_free_folio() was meant to be filemap_remove_folio(). Sorry.

 Documentation/admin-guide/cgroup-v1/memcg_test.rst | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Documentation/admin-guide/cgroup-v1/memcg_test.rst b/Documentation/admin-guide/cgroup-v1/memcg_test.rst
index 1f128458ddea..9f8e27355cba 100644
--- a/Documentation/admin-guide/cgroup-v1/memcg_test.rst
+++ b/Documentation/admin-guide/cgroup-v1/memcg_test.rst
@@ -102,7 +102,7 @@ Under below explanation, we assume CONFIG_SWAP=y.
 	The logic is very clear. (About migration, see below)

 	Note:
-	  __remove_from_page_cache() is called by remove_from_page_cache()
+	  __filemap_remove_folio() is called by filemap_remove_folio()
 	  and __remove_mapping().

 6. Shmem(tmpfs) Page Cache
-- 
2.39.2