linux-kernel - [PATCH 6/7] dm-stats: use kvmalloc

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Date:	Tue, 7 Jul 2015 11:12:24 -0400 (EDT)
From:	Mikulas Patocka <mpatocka@...hat.com>
To:	Mike Snitzer <msnitzer@...hat.com>
cc:	"Alasdair G. Kergon" <agk@...hat.com>,
	Edward Thornber <thornber@...hat.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	David Rientjes <rientjes@...gle.com>,
	Vivek Goyal <vgoyal@...hat.com>, linux-kernel@...r.kernel.org,
	linux-mm@...ck.org, dm-devel@...hat.com
Subject: [PATCH 6/7] dm-stats: use kvmalloc_node

Use kvmalloc_node just to clean up the code and remove duplicated logic.

Signed-off-by: Mikulas Patocka <mpatocka@...hat.com>

---
 drivers/md/dm-stats.c |    7 +------
 1 file changed, 1 insertion(+), 6 deletions(-)

Index: linux-4.1/drivers/md/dm-stats.c
===================================================================
--- linux-4.1.orig/drivers/md/dm-stats.c	2015-07-02 19:21:39.000000000 +0200
+++ linux-4.1/drivers/md/dm-stats.c	2015-07-02 19:23:00.000000000 +0200
@@ -146,12 +146,7 @@ static void *dm_stats_kvzalloc(size_t al
 	if (!claim_shared_memory(alloc_size))
 		return NULL;
 
-	if (alloc_size <= KMALLOC_MAX_SIZE) {
-		p = kzalloc_node(alloc_size, GFP_KERNEL | __GFP_NORETRY | __GFP_NOMEMALLOC | __GFP_NOWARN, node);
-		if (p)
-			return p;
-	}
-	p = vzalloc_node(alloc_size, node);
+	p = kvmalloc_node(alloc_size, GFP_KERNEL | __GFP_ZERO, node);
 	if (p)
 		return p;
 

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