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ARM: Remove __flush_icache_all() from __flush_dcache_page()

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Both call sites for __flush_dcache_page() end up calling
__flush_icache_all() themselves, so having __flush_dcache_page() do
this as well is wasteful.  Remove the duplicated icache flushing.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
Russell King
2009-10-24 23:05:34 +01:00
parent 2df341edf6
commit f91fb05d82
1 changed files with 1 additions and 3 deletions
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4
arch/arm/mm/flush.c
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@@ -134,11 +134,9 @@ void __flush_dcache_page(struct address_space *mapping, struct page *page)
* we only need to do one flush - which would be at the relevant * we only need to do one flush - which would be at the relevant
* userspace colour, which is congruent with page->index. * userspace colour, which is congruent with page->index.
*/ */
if (mapping && cache_is_vipt_aliasing()) { if (mapping && cache_is_vipt_aliasing())
flush_pfn_alias(page_to_pfn(page), flush_pfn_alias(page_to_pfn(page),
page->index << PAGE_CACHE_SHIFT); page->index << PAGE_CACHE_SHIFT);
__flush_icache_all();
}
} }
static void __flush_dcache_aliases(struct address_space *mapping, struct page *page) static void __flush_dcache_aliases(struct address_space *mapping, struct page *page)