The quilt patch titled
Subject: mm: remove PageMlocked
has been removed from the -mm tree. Its filename was
mm-remove-pagemlocked.patch
This patch was dropped because it was merged into the mm-stable branch
of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
------------------------------------------------------
From: "Matthew Wilcox (Oracle)" <willy@xxxxxxxxxxxxx>
Subject: mm: remove PageMlocked
Date: Wed, 21 Aug 2024 20:34:39 +0100
This flag is now only used on folios, so we can remove all the page
accessors.
Link: https://lkml.kernel.org/r/20240821193445.2294269-7-willy@xxxxxxxxxxxxx
Signed-off-by: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
Documentation/mm/unevictable-lru.rst | 4 ++--
include/linux/page-flags.h | 13 ++++++++-----
2 files changed, 10 insertions(+), 7 deletions(-)
--- a/Documentation/mm/unevictable-lru.rst~mm-remove-pagemlocked
+++ a/Documentation/mm/unevictable-lru.rst
@@ -253,8 +253,8 @@ Basic Management
mlocked pages - pages mapped into a VM_LOCKED VMA - are a class of unevictable
pages. When such a page has been "noticed" by the memory management subsystem,
-the page is marked with the PG_mlocked flag. This can be manipulated using the
-PageMlocked() functions.
+the folio is marked with the PG_mlocked flag. This can be manipulated using
+folio_set_mlocked() and folio_clear_mlocked() functions.
A PG_mlocked page will be placed on the unevictable list when it is added to
the LRU. Such pages can be "noticed" by memory management in several places:
--- a/include/linux/page-flags.h~mm-remove-pagemlocked
+++ a/include/linux/page-flags.h
@@ -585,12 +585,15 @@ FOLIO_FLAG(unevictable, FOLIO_HEAD_PAGE)
FOLIO_TEST_CLEAR_FLAG(unevictable, FOLIO_HEAD_PAGE)
#ifdef CONFIG_MMU
-PAGEFLAG(Mlocked, mlocked, PF_NO_TAIL)
- __CLEARPAGEFLAG(Mlocked, mlocked, PF_NO_TAIL)
- TESTSCFLAG(Mlocked, mlocked, PF_NO_TAIL)
+FOLIO_FLAG(mlocked, FOLIO_HEAD_PAGE)
+ __FOLIO_CLEAR_FLAG(mlocked, FOLIO_HEAD_PAGE)
+ FOLIO_TEST_CLEAR_FLAG(mlocked, FOLIO_HEAD_PAGE)
+ FOLIO_TEST_SET_FLAG(mlocked, FOLIO_HEAD_PAGE)
#else
-PAGEFLAG_FALSE(Mlocked, mlocked) __CLEARPAGEFLAG_NOOP(Mlocked, mlocked)
- TESTSCFLAG_FALSE(Mlocked, mlocked)
+FOLIO_FLAG_FALSE(mlocked)
+ __FOLIO_CLEAR_FLAG_NOOP(mlocked)
+ FOLIO_TEST_CLEAR_FLAG_FALSE(mlocked)
+ FOLIO_TEST_SET_FLAG_FALSE(mlocked)
#endif
#ifdef CONFIG_ARCH_USES_PG_UNCACHED
_
Patches currently in -mm which might be from willy@xxxxxxxxxxxxx are
swap-convert-swapon-to-use-a-folio.patch
