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| author | Russell King <rmk+kernel@arm.linux.org.uk> | 2009-12-24 15:57:01 +0300 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2010-04-14 16:13:25 +0400 |
| commit | f76348a360fe92063e07a8f54b0c1ea67f91e76c (patch) | |
| tree | 78d9d4de02d0c2d1283f47344f2656c7d751d754 /arch | |
| parent | 6e8699f7d68589e0e9ab324f598a3357bceb40bc (diff) | |
| download | linux-f76348a360fe92063e07a8f54b0c1ea67f91e76c.tar.xz | |
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')
| -rw-r--r-- | arch/arm/mm/fault-armv.c | 2 |
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); } /* |