From: Jens Axboe <jens.axboe@oracle.com>
Date: Mon, 2 Jun 2008 07:59:32 +0000 (+0200)
Subject: smalloc: use optimized ffz()
X-Git-Tag: fio-1.21-rc4~3
X-Git-Url: https://git.kernel.dk/?p=fio.git;a=commitdiff_plain;h=b3268b928ec7596a1d294a46a2771c3da789e7d3;ds=sidebyside

smalloc: use optimized ffz()

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
---

diff --git a/smalloc.c b/smalloc.c
index 6cbf59cf..0a86c43b 100644
--- a/smalloc.c
+++ b/smalloc.c
@@ -12,7 +12,7 @@
 #include <limits.h>
 
 #include "mutex.h"
-#include "lib/ffz.h"
+#include "arch/arch.h"
 
 #define MP_SAFE			/* define to make thread safe */
 #define SMALLOC_REDZONE		/* define to detect memory corruption */
@@ -178,7 +178,7 @@ static int find_next_zero(int word, int start)
 {
 	assert(word != -1U);
 	word >>= (start + 1);
-	return __ffs(~word) + start + 1;
+	return ffz(word) + start + 1;
 }
 
 static int add_pool(struct pool *pool, unsigned int alloc_size)