Commit 0fc73099 authored Sep 13, 2010 by Catalin Marinas Committed by Russell King Sep 19, 2010

ARM: 6378/1: Allow lazy cache flushing via PG_arch_1 for highmem pages



Commit d73cd428 forced non-lazy cache flushing of highmem pages in
flush_dcache_page(). This isn't needed since __flush_dcache_page()
(called lazily from update_mmu_cache) can handle highmem pages (fixed by
commit 7e5a69e8).

Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Acked-by: Nicolas Pitre <nicolas.pitre@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

parent 151b6a5f

arch/arm/mm/flush.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -247,7 +247,7 @@ void flush_dcache_page(struct page *page)
		mapping = page_mapping(page);

		#ifndef CONFIG_SMP
		if (!PageHighMem(page) && mapping && !mapping_mapped(mapping))
		if (mapping && !mapping_mapped(mapping))
		set_bit(PG_dcache_dirty, &page->flags);
		else
		#endif

Admin message