From: Akinobu Mita <akinobu.mita@gmail.com>
To: linux-kernel@vger.kernel.org, akpm@linux-foundation.org
Cc: Akinobu Mita <akinobu.mita@gmail.com>, Tejun Heo <tj@kernel.org>,
Christoph Lameter <cl@linux-foundation.org>
Subject: [PATCH] percpu: use bitmap_clear
Date: Sat, 21 Jan 2012 00:15:23 +0900 [thread overview]
Message-ID: <1327072528-8479-1-git-send-email-akinobu.mita@gmail.com> (raw)
Use bitmap_clear rather than clearing individual bits in a memory region.
Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Cc: Tejun Heo <tj@kernel.org>
Cc: Christoph Lameter <cl@linux-foundation.org>
---
mm/percpu-vm.c | 3 +--
1 files changed, 1 insertions(+), 2 deletions(-)
diff --git a/mm/percpu-vm.c b/mm/percpu-vm.c
index 12a48a88..405d331 100644
--- a/mm/percpu-vm.c
+++ b/mm/percpu-vm.c
@@ -184,8 +184,7 @@ static void pcpu_unmap_pages(struct pcpu_chunk *chunk,
page_end - page_start);
}
- for (i = page_start; i < page_end; i++)
- __clear_bit(i, populated);
+ bitmap_clear(populated, page_start, page_end - page_start);
}
/**
--
1.7.4.4
next reply other threads:[~2012-01-20 15:15 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-01-20 15:15 Akinobu Mita [this message]
2012-01-20 15:15 ` [PATCH] ocfs2: use find_last_bit Akinobu Mita
2012-01-20 15:15 ` [PATCH] ocfs2: use bitmap_weight() Akinobu Mita
2012-01-20 15:15 ` [PATCH] xen-blkfront: use bitmap_set() and bitmap_clear() Akinobu Mita
2012-01-20 15:27 ` Akinobu Mita
2012-01-20 15:28 ` Konrad Rzeszutek Wilk
2012-01-20 15:41 ` Akinobu Mita
2012-01-20 16:09 ` Konrad Rzeszutek Wilk
2012-01-20 23:11 ` Andrew Morton
2012-01-20 23:55 ` Konrad Rzeszutek Wilk
2012-01-21 0:04 ` Andrew Morton
2012-01-20 15:15 ` [PATCH] hpsa: use find_first_zero_bit Akinobu Mita
2012-01-20 15:41 ` scameron
2012-01-20 15:15 ` [PATCH] sysctl: use bitmap library functions Akinobu Mita
2012-01-20 15:19 ` [PATCH] percpu: use bitmap_clear Christoph Lameter
2012-01-20 17:24 ` Tejun Heo
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