+ mm-page_alloc-use-might_alloc.patch added to mm-unstable branch

+ mm-page_alloc-use-might_alloc.patch added to mm-unstable branch

[Andrew Morton]

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@ffwll.ch>
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@ffwll.ch
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Cc: Christoph Lameter <cl@linux.com>
Cc: David Rientjes <rientjes@google.com>
Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Cc: Pekka Enberg <penberg@kernel.org>
Cc: Roman Gushchin <roman.gushchin@linux.dev>
Cc: Vlastimil Babka <vbabka@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 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@ffwll.ch are

mm-page_alloc-use-might_alloc.patch
mm-slab-delete-cache_alloc_debugcheck_before.patch
mm-mempool-use-might_alloc.patch