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| author | Heechul Yun <heechul@illinois.edu> | 2011-07-08 13:32:34 +0100 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2011-07-08 19:46:37 +0100 |
| commit | c7e89b16eb90e7bdf0d71bd5ba265ce8d424f30b (patch) | |
| tree | 8a84fe10290c9cb24864f0473fec5d4c64da7ef6 | |
| parent | 54d525735140e930d87c5afd1b0b3393ffdac021 (diff) | |
| download | lwn-c7e89b16eb90e7bdf0d71bd5ba265ce8d424f30b.tar.gz lwn-c7e89b16eb90e7bdf0d71bd5ba265ce8d424f30b.zip | |
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>
| -rw-r--r-- | 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 bdba6c65c901..63cca0097130 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); } |