Re: [PATCH 15/16] mm/page_alloc: remove obsolete gfpflags_normal_context()

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On 09.09.22 11:24, Miaohe Lin wrote:
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.

Signed-off-by: Miaohe Lin <linmiaohe@xxxxxxxxxx>
---
  include/linux/gfp.h | 23 -----------------------
  1 file changed, 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

Reviewed-by: David Hildenbrand <david@xxxxxxxxxx>

--
Thanks,

David / dhildenb





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