From: Andrey Ryabinin <aryabinin@virtuozzo.com>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: Mel Gorman <mgorman@techsingularity.net>,
linux-mm@kvack.org, linux-kernel@vger.kernel.org,
Andrey Ryabinin <aryabinin@virtuozzo.com>
Subject: [PATCH 2/2] mm/page_alloc: fix never set ALLOC_NOFRAGMENT flag
Date: Tue, 23 Apr 2019 15:08:06 +0300
Message-ID: <20190423120806.3503-2-aryabinin@virtuozzo.com> (raw)
In-Reply-To: <20190423120806.3503-1-aryabinin@virtuozzo.com>
Commit 0a79cdad5eb2 ("mm: use alloc_flags to record if kswapd can wake")
removed setting of the ALLOC_NOFRAGMENT flag. Bring it back.
Fixes: 0a79cdad5eb2 ("mm: use alloc_flags to record if kswapd can wake")
Signed-off-by: Andrey Ryabinin <aryabinin@virtuozzo.com>
---
mm/page_alloc.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 2b2c7065102f..a85b8252c5ad 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -3465,7 +3465,7 @@ alloc_flags_nofragment(struct zone *zone, gfp_t gfp_mask)
return alloc_flags;
if (zone_idx(zone) != ZONE_NORMAL)
- goto out;
+ return alloc_flags;
/*
* If ZONE_DMA32 exists, assume it is the one after ZONE_NORMAL and
@@ -3474,9 +3474,9 @@ alloc_flags_nofragment(struct zone *zone, gfp_t gfp_mask)
*/
BUILD_BUG_ON(ZONE_NORMAL - ZONE_DMA32 != 1);
if (nr_online_nodes > 1 && !populated_zone(--zone))
- goto out;
+ return alloc_flags;
-out:
+ alloc_flags |= ALLOC_NOFRAGMENT;
#endif /* CONFIG_ZONE_DMA32 */
return alloc_flags;
}
--
2.21.0
next prev parent reply index
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-04-23 12:08 [PATCH 1/2] mm/page_alloc: avoid potential NULL pointer dereference Andrey Ryabinin
2019-04-23 12:08 ` Andrey Ryabinin [this message]
2019-04-23 14:35 ` [PATCH 2/2] mm/page_alloc: fix never set ALLOC_NOFRAGMENT flag Mel Gorman
2019-04-23 19:01 ` Andrew Morton
2019-04-24 9:04 ` Mel Gorman
2019-04-24 22:46 ` Andrew Morton
2019-04-24 23:40 ` Mel Gorman
2019-04-25 21:09 ` Andrew Morton
2019-04-23 14:35 ` [PATCH 1/2] mm/page_alloc: avoid potential NULL pointer dereference Mel Gorman
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