[PATCH 1/9] ARM: Allow lazy cache flushing via PG_arch_1 for highmem pages
Catalin Marinas
catalin.marinas at arm.com
Tue Aug 31 09:58:06 EDT 2010
Commit d73cd42 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 7e5a69e).
Signed-off-by: Catalin Marinas <catalin.marinas at arm.com>
Acked-by: Nicolas Pitre <nicolas.pitre at linaro.org>
---
arch/arm/mm/flush.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/arch/arm/mm/flush.c b/arch/arm/mm/flush.c
index c6844cb..87dd5ff 100644
--- a/arch/arm/mm/flush.c
+++ b/arch/arm/mm/flush.c
@@ -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
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