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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>
This commit is contained in:
Heechul Yun 2011-07-08 13:32:34 +01:00 committed by Russell King
parent 54d5257351
commit c7e89b16eb
1 changed files with 0 additions and 1 deletions
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1
arch/arm/mm/copypage-v6.c
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@ -41,7 +41,6 @@ static void v6_copy_user_highpage_nonaliasing(struct page *to,
kfrom = kmap_atomic(from, KM_USER0); kfrom = kmap_atomic(from, KM_USER0);
kto = kmap_atomic(to, KM_USER1); kto = kmap_atomic(to, KM_USER1);
copy_page(kto, kfrom); copy_page(kto, kfrom);
__cpuc_flush_dcache_area(kto, PAGE_SIZE);
kunmap_atomic(kto, KM_USER1); kunmap_atomic(kto, KM_USER1);
kunmap_atomic(kfrom, KM_USER0); kunmap_atomic(kfrom, KM_USER0);
} }