From: heechul Yun <heechul@illinois.edu>
To: Russell King - ARM Linux <linux@arm.linux.org.uk>,
Catalin Marinas <catalin.marinas@arm.com>
Cc: "linux-arm-kernel@lists.infradead.org"
<linux-arm-kernel@lists.infradead.org>,
linux-kernel@vger.kernel.org
Subject: [PATCH] remove unnecessary cache flush on v6 copypage
Date: Wed, 6 Jul 2011 19:19:59 -0700 [thread overview]
Message-ID: <CAN_5kQDTweB2GLvwgjN+BQuqnhFUp+MOcQr=ZW=8C6XSsC8XtA@mail.gmail.com> (raw)
ARM: mm: remove unnecessary cache flush on v6 copypage
Signed-off-by: Heechul Yun <heechul@illinois.edu>
--
arch/arm/mm/copypage-v6.c | 1 -
1 files changed, 0 insertions(+), 1 deletions(-)
diff --git a/arch/arm/mm/copypage-v6.c b/arch/arm/mm/copypage-v6.c
index bdba6c6..63cca00 100644
--- a/arch/arm/mm/copypage-v6.c
+++ b/arch/arm/mm/copypage-v6.c
@@ -41,7 +41,6 @@ static void v6_copy_user_highpage_nonaliasing(struct page *to,
kfrom = kmap_atomic(from, KM_USER0);
kto = kmap_atomic(to, KM_USER1);
copy_page(kto, kfrom);
- __cpuc_flush_dcache_area(kto, PAGE_SIZE);
kunmap_atomic(kto, KM_USER1);
kunmap_atomic(kfrom, KM_USER0);
}
--
Heechul
next reply other threads:[~2011-07-07 2:27 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-07-07 2:19 heechul Yun [this message]
2011-07-07 9:02 ` [PATCH] remove unnecessary cache flush on v6 copypage Catalin Marinas
2011-07-07 10:31 ` saeed bishara
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