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authorRussell King <rmk+kernel@arm.linux.org.uk>2009-12-24 13:57:01 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2010-04-14 14:13:25 +0200
commitf76348a360fe92063e07a8f54b0c1ea67f91e76c (patch)
tree78d9d4de02d0c2d1283f47344f2656c7d751d754 /arch/arm/mm/fault-armv.c
parentARM: 6026/1: ARM: Add support for LZMA-compressed kernel images (diff)
downloadlinux-f76348a360fe92063e07a8f54b0c1ea67f91e76c.tar.xz
linux-f76348a360fe92063e07a8f54b0c1ea67f91e76c.zip
ARM: remove unnecessary cache flush
This cache flush occurs when we first insert a page into the page tables, where a page did not exist previously. There can be no cache lines associated with this virtual mapping, so this cache flush is redundant. Tested-by: Mike Rapoport <mike@compulab.co.il> Tested-by: Mikael Pettersson <mikpe at it.uu.se> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/mm/fault-armv.c')
-rw-r--r--arch/arm/mm/fault-armv.c2
1 files changed, 0 insertions, 2 deletions
diff --git a/arch/arm/mm/fault-armv.c b/arch/arm/mm/fault-armv.c
index c9b97e9836a2..82df01a72f4a 100644
--- a/arch/arm/mm/fault-armv.c
+++ b/arch/arm/mm/fault-armv.c
@@ -133,8 +133,6 @@ make_coherent(struct address_space *mapping, struct vm_area_struct *vma,
flush_dcache_mmap_unlock(mapping);
if (aliases)
do_adjust_pte(vma, addr, pfn, ptep);
- else
- flush_cache_page(vma, addr, pfn);
}
/*