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| author | Tejun Heo <tj@kernel.org> | 2010-01-05 09:17:33 +0900 |
|---|---|---|
| committer | Tejun Heo <tj@kernel.org> | 2010-01-05 09:17:33 +0900 |
| commit | 32032df6c2f6c9c6b2ada2ce42322231824f70c2 (patch) | |
| tree | b1ce838a37044bb38dfc128e2116ca35630e629a /arch/arm/mm/copypage-v6.c | |
| parent | 22b737f4c75197372d64afc6ed1bccd58c00e549 (diff) | |
| parent | c5974b835a909ff15c3b7e6cf6789b5eb919f419 (diff) | |
Merge branch 'master' into percpu
Conflicts:
arch/powerpc/platforms/pseries/hvCall.S
include/linux/percpu.h
Diffstat (limited to 'arch/arm/mm/copypage-v6.c')
| -rw-r--r-- | arch/arm/mm/copypage-v6.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/arm/mm/copypage-v6.c b/arch/arm/mm/copypage-v6.c index 4127a7bddfe..0fa1319273d 100644 --- a/arch/arm/mm/copypage-v6.c +++ b/arch/arm/mm/copypage-v6.c @@ -41,6 +41,14 @@ static void v6_copy_user_highpage_nonaliasing(struct page *to, kfrom = kmap_atomic(from, KM_USER0); kto = kmap_atomic(to, KM_USER1); copy_page(kto, kfrom); +#ifdef CONFIG_HIGHMEM + /* + * kmap_atomic() doesn't set the page virtual address, and + * kunmap_atomic() takes care of cache flushing already. + */ + if (page_address(to) != NULL) +#endif + __cpuc_flush_dcache_area(kto, PAGE_SIZE); kunmap_atomic(kto, KM_USER1); kunmap_atomic(kfrom, KM_USER0); } |