The patch titled
Subject: mm/page_alloc: use might_alloc()
has been added to the -mm mm-unstable branch. Its filename is
mm-page_alloc-use-might_alloc.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/mm-page_alloc-use-might_alloc.patch
This patch will later appear in the mm-unstable branch at
git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
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------------------------------------------------------
From: Daniel Vetter <daniel.vetter@xxxxxxxx>
Subject: mm/page_alloc: use might_alloc()
Date: Sun, 5 Jun 2022 17:25:37 +0200
... instead of open coding it. Completely equivalent code, just a notch
more meaningful when reading.
Link: https://lkml.kernel.org/r/20220605152539.3196045-1-daniel.vetter@xxxxxxxx
Signed-off-by: Daniel Vetter <daniel.vetter@xxxxxxxxx>
Cc: Christoph Lameter <cl@xxxxxxxxx>
Cc: David Rientjes <rientjes@xxxxxxxxxx>
Cc: Joonsoo Kim <iamjoonsoo.kim@xxxxxxx>
Cc: Pekka Enberg <penberg@xxxxxxxxxx>
Cc: Roman Gushchin <roman.gushchin@xxxxxxxxx>
Cc: Vlastimil Babka <vbabka@xxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/page_alloc.c | 5 +----
1 file changed, 1 insertion(+), 4 deletions(-)
--- a/mm/page_alloc.c~mm-page_alloc-use-might_alloc
+++ a/mm/page_alloc.c
@@ -5270,10 +5270,7 @@ static inline bool prepare_alloc_pages(g
*alloc_flags |= ALLOC_CPUSET;
}
- fs_reclaim_acquire(gfp_mask);
- fs_reclaim_release(gfp_mask);
-
- might_sleep_if(gfp_mask & __GFP_DIRECT_RECLAIM);
+ might_alloc(gfp_mask);
if (should_fail_alloc_page(gfp_mask, order))
return false;
_
Patches currently in -mm which might be from daniel.vetter@xxxxxxxx are
mm-page_alloc-use-might_alloc.patch
mm-slab-delete-cache_alloc_debugcheck_before.patch
mm-mempool-use-might_alloc.patch
