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| author | Matthew Wilcox (Oracle) <willy@infradead.org> | 2024-08-21 21:34:39 +0200 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2024-09-04 06:15:45 +0200 |
| commit | 99f86bbda31790f2ca0e365f02650585536929ab (patch) | |
| tree | be14ec7c628a6aefb75a709119ae1f7e5a197038 | |
| parent | mm: remove PageUnevictable (diff) | |
| download | linux-99f86bbda31790f2ca0e365f02650585536929ab.tar.xz linux-99f86bbda31790f2ca0e365f02650585536929ab.zip | |
mm: remove PageMlocked
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@infradead.org
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
| -rw-r--r-- | Documentation/mm/unevictable-lru.rst | 4 | ||||
| -rw-r--r-- | include/linux/page-flags.h | 13 |
2 files changed, 10 insertions, 7 deletions
diff --git a/Documentation/mm/unevictable-lru.rst b/Documentation/mm/unevictable-lru.rst index 2feb2ed51ae2..255ef12a432b 100644 --- a/Documentation/mm/unevictable-lru.rst +++ b/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: diff --git a/include/linux/page-flags.h b/include/linux/page-flags.h index 2150502195d5..08cce16c82aa 100644 --- a/include/linux/page-flags.h +++ b/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 |