ARM: Remove __flush_icache_all() from __flush_dcache_page() (f91fb05d) · Commits · 戴 / test

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>

arch/arm/mm/flush.c

+1 −3

Original line number	Diff line number	Diff line
		@@ -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
		* 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),
		page->index << PAGE_CACHE_SHIFT);
		__flush_icache_all();
		}
		}

		static void __flush_dcache_aliases(struct address_space mapping, struct page page)

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