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authorHeechul Yun <heechul@illinois.edu>2011-07-08 13:32:34 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2011-07-08 19:46:37 +0100
commitc7e89b16eb90e7bdf0d71bd5ba265ce8d424f30b (patch)
tree8a84fe10290c9cb24864f0473fec5d4c64da7ef6 /arch/arm
parent54d525735140e930d87c5afd1b0b3393ffdac021 (diff)
ARM: 6995/2: mm: remove unnecessary cache flush on v6 copypage
Originally introduced to maintain coherency between icache and dcache in v6 nonaliasing mode. This is now handled by __sync_icache_dcache since c0177800, therefore unnecessary in this function. Signed-off-by: Heechul Yun <heechul@illinois.edu> Acked-by: Catalin Marinas <catalin.marinas@arm.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm')
-rw-r--r--arch/arm/mm/copypage-v6.c1
1 files changed, 0 insertions, 1 deletions
diff --git a/arch/arm/mm/copypage-v6.c b/arch/arm/mm/copypage-v6.c
index bdba6c65c90..63cca009713 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);
}