diff options
| author | Miaohe Lin <linmiaohe@huawei.com> | 2022-09-16 15:22:56 +0800 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2022-10-03 14:03:30 -0700 |
| commit | def76fd549c513bb90278a8d6d0fe3ef3faa20a7 (patch) | |
| tree | e453317cf40d3161a07b6ef24925201aebd10e7e /include/linux/gfp.h | |
| parent | 896c4d52538df231c3847491acc4f2c23891fe6a (diff) | |
| download | linux-def76fd549c513bb90278a8d6d0fe3ef3faa20a7.tar.gz | |
mm/page_alloc: remove obsolete gfpflags_normal_context()
Since commit dacb5d8875cc ("tcp: fix page frag corruption on page fault"),
there's no caller of gfpflags_normal_context(). Remove it as this helper
is strictly tied to the sk page frag usage and there won't be other user
in the future.
[linmiaohe@huawei.com: fix htmldocs]
Link: https://lkml.kernel.org/r/1bc55727-9b66-0e9e-c306-f10c4716ea89@huawei.com
Link: https://lkml.kernel.org/r/20220916072257.9639-16-linmiaohe@huawei.com
Signed-off-by: Miaohe Lin <linmiaohe@huawei.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Reviewed-by: Anshuman Khandual <anshuman.khandual@arm.com>
Reviewed-by: Oscar Salvador <osalvador@suse.de>
Cc: Matthew Wilcox <willy@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'include/linux/gfp.h')
| -rw-r--r-- | include/linux/gfp.h | 23 |
1 files changed, 0 insertions, 23 deletions
diff --git a/include/linux/gfp.h b/include/linux/gfp.h index ea6cb9399152..ef4aea3b356e 100644 --- a/include/linux/gfp.h +++ b/include/linux/gfp.h @@ -36,29 +36,6 @@ static inline bool gfpflags_allow_blocking(const gfp_t gfp_flags) return !!(gfp_flags & __GFP_DIRECT_RECLAIM); } -/** - * gfpflags_normal_context - is gfp_flags a normal sleepable context? - * @gfp_flags: gfp_flags to test - * - * Test whether @gfp_flags indicates that the allocation is from the - * %current context and allowed to sleep. - * - * An allocation being allowed to block doesn't mean it owns the %current - * context. When direct reclaim path tries to allocate memory, the - * allocation context is nested inside whatever %current was doing at the - * time of the original allocation. The nested allocation may be allowed - * to block but modifying anything %current owns can corrupt the outer - * context's expectations. - * - * %true result from this function indicates that the allocation context - * can sleep and use anything that's associated with %current. - */ -static inline bool gfpflags_normal_context(const gfp_t gfp_flags) -{ - return (gfp_flags & (__GFP_DIRECT_RECLAIM | __GFP_MEMALLOC)) == - __GFP_DIRECT_RECLAIM; -} - #ifdef CONFIG_HIGHMEM #define OPT_ZONE_HIGHMEM ZONE_HIGHMEM #else |