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Subject[PATCH 2/6] lib/scatterlist: Skip requesting zeroed allocations in sgl_alloc_order
Date
From: Tvrtko Ursulin <tvrtko.ursulin@intel.com>

sg_init_table will clear the allocated block so requesting zeroed memory
from the allocator is redundant.

Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Cc: Bart Van Assche <bart.vanassche@wdc.com>
Cc: Hannes Reinecke <hare@suse.com>
Cc: Johannes Thumshirn <jthumshirn@suse.de>
Cc: Jens Axboe <axboe@kernel.dk>
---
lib/scatterlist.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/lib/scatterlist.c b/lib/scatterlist.c
index d61c025e38b4..9884be50a2c0 100644
--- a/lib/scatterlist.c
+++ b/lib/scatterlist.c
@@ -511,8 +511,7 @@ struct scatterlist *sgl_alloc_order(unsigned long length, unsigned int order,
nent++;
}

- sgl = kmalloc_array(nent, sizeof(struct scatterlist),
- (gfp & ~GFP_DMA) | __GFP_ZERO);
+ sgl = kmalloc_array(nent, sizeof(struct scatterlist), (gfp & ~GFP_DMA));
if (!sgl)
return NULL;

--
2.14.1
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