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>
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@ -41,7 +41,6 @@ static void v6_copy_user_highpage_nonaliasing(struct page *to,
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kfrom = kmap_atomic(from, KM_USER0);
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kto = kmap_atomic(to, KM_USER1);
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copy_page(kto, kfrom);
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__cpuc_flush_dcache_area(kto, PAGE_SIZE);
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kunmap_atomic(kto, KM_USER1);
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kunmap_atomic(kfrom, KM_USER0);
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}
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