linux-kernel - [PATCH 1/3] mm/page_alloc: use might

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Date:   Sun,  5 Jun 2022 17:25:37 +0200
From:   Daniel Vetter <daniel.vetter@...ll.ch>
To:     LKML <linux-kernel@...r.kernel.org>
Cc:     DRI Development <dri-devel@...ts.freedesktop.org>,
        Daniel Vetter <daniel.vetter@...ll.ch>,
        Daniel Vetter <daniel.vetter@...el.com>,
        Andrew Morton <akpm@...ux-foundation.org>, linux-mm@...ck.org
Subject: [PATCH 1/3] mm/page_alloc: use might_alloc()

... instead of open codding it. Completely equivalent code, just
a notch more meaningful when reading.

Signed-off-by: Daniel Vetter <daniel.vetter@...el.com>
Cc: Andrew Morton <akpm@...ux-foundation.org>
Cc: linux-mm@...ck.org
---
 mm/page_alloc.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 2db95780e003..277774d170cb 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -5177,10 +5177,7 @@ static inline bool prepare_alloc_pages(gfp_t gfp_mask, unsigned int order,
 			*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;
-- 
2.36.0