The patch titled
is_power_of_2: kernel/kfifo.c
has been added to the -mm tree. Its filename is
is_power_of_2-kernel-kfifoc.patch
*** Remember to use Documentation/SubmitChecklist when testing your code ***
See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
out what to do about this
------------------------------------------------------
Subject: is_power_of_2: kernel/kfifo.c
From: vignesh babu <vignesh.babu@xxxxxxxxx>
Replace (n & (n-1)) with is_power_of_2()
Signed-off-by: vignesh babu <vignesh.babu@xxxxxxxxx>
Acked-by: Stelian Pop <stelian@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
kernel/kfifo.c | 3 ++-
1 files changed, 2 insertions(+), 1 deletion(-)
diff -puN kernel/kfifo.c~is_power_of_2-kernel-kfifoc kernel/kfifo.c
--- a/kernel/kfifo.c~is_power_of_2-kernel-kfifoc
+++ a/kernel/kfifo.c
@@ -24,6 +24,7 @@
#include <linux/slab.h>
#include <linux/err.h>
#include <linux/kfifo.h>
+#include <linux/log2.h>
/**
* kfifo_init - allocates a new FIFO using a preallocated buffer
@@ -41,7 +42,7 @@ struct kfifo *kfifo_init(unsigned char *
struct kfifo *fifo;
/* size must be a power of 2 */
- BUG_ON(size & (size - 1));
+ BUG_ON(!is_power_of_2(size));
fifo = kmalloc(sizeof(struct kfifo), gfp_mask);
if (!fifo)
_
Patches currently in -mm which might be from vignesh.babu@xxxxxxxxx are
git-ubi.patch
use-is_power_of_2-in-cxgb3-cxgb3_mainc.patch
use-is_power_of_2-in-myri10ge-myri10gec.patch
is_power_of_2-ext3-superc.patch
is_power_of_2-jbd.patch
is_power_of_2-kernel-kfifoc.patch
is_power_of_2-ext4-superc.patch
-
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