From: Bart Van Assche <bvanassche@acm.org>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: linux-kernel@vger.kernel.org,
Bart Van Assche <bvanassche@acm.org>,
Vlastimil Babka <vbabka@suse.cz>,
Mel Gorman <mgorman@techsingularity.net>,
Christoph Lameter <cl@linux.com>, Roman Gushchin <guro@fb.com>
Subject: [PATCH] slab.h: Avoid using & for logical and of booleans
Date: Mon, 5 Nov 2018 12:40:00 -0800 [thread overview]
Message-ID: <20181105204000.129023-1-bvanassche@acm.org> (raw)
This patch suppresses the following sparse warning:
./include/linux/slab.h:332:43: warning: dubious: x & !y
Fixes: 1291523f2c1d ("mm, slab/slub: introduce kmalloc-reclaimable caches")
Cc: Vlastimil Babka <vbabka@suse.cz>
Cc: Mel Gorman <mgorman@techsingularity.net>
Cc: Christoph Lameter <cl@linux.com>
Cc: Roman Gushchin <guro@fb.com>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
---
include/linux/slab.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/include/linux/slab.h b/include/linux/slab.h
index 918f374e7156..97d0599ddb7b 100644
--- a/include/linux/slab.h
+++ b/include/linux/slab.h
@@ -329,7 +329,7 @@ static __always_inline enum kmalloc_cache_type kmalloc_type(gfp_t flags)
* If an allocation is both __GFP_DMA and __GFP_RECLAIMABLE, return
* KMALLOC_DMA and effectively ignore __GFP_RECLAIMABLE
*/
- return type_dma + (is_reclaimable & !is_dma) * KMALLOC_RECLAIM;
+ return type_dma + is_reclaimable * !is_dma * KMALLOC_RECLAIM;
}
/*
--
2.19.1.930.g4563a0d9d0-goog
next reply other threads:[~2018-11-05 20:40 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-11-05 20:40 Bart Van Assche [this message]
2018-11-05 21:13 ` [PATCH] slab.h: Avoid using & for logical and of booleans Andrew Morton
2018-11-05 21:48 ` Bart Van Assche
2018-11-05 22:14 ` Rasmus Villemoes
2018-11-05 22:40 ` Bart Van Assche
2018-11-05 22:48 ` Alexander Duyck
2018-11-06 0:01 ` Bart Van Assche
2018-11-06 0:11 ` Alexander Duyck
2018-11-06 0:32 ` Bart Van Assche
2018-11-06 17:20 ` Alexander Duyck
2018-11-06 17:48 ` Bart Van Assche
2018-11-06 18:17 ` Alexander Duyck
2018-11-06 9:45 ` William Kucharski
2018-11-06 8:40 ` Vlastimil Babka
2018-11-06 10:08 ` David Laight
2018-11-06 10:22 ` Vlastimil Babka
2018-11-06 11:07 ` David Laight
2018-11-06 12:51 ` Vlastimil Babka
2018-11-07 10:41 ` David Laight
2018-11-09 8:12 ` Vlastimil Babka
2018-11-09 19:00 ` Andrew Morton
2018-11-09 19:16 ` Vlastimil Babka
2018-11-09 19:47 ` Darryl T. Agostinelli
2018-11-09 21:31 ` Vlastimil Babka
2018-11-12 9:55 ` David Laight
2018-11-13 18:22 ` Vlastimil Babka
2018-11-21 13:22 ` Vlastimil Babka
2018-11-19 11:04 ` Pavel Machek
2018-11-19 12:51 ` Vlastimil Babka
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