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| author | Simon Baatz <gmbnomis@gmail.com> | 2013-06-22 22:01:25 +0100 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2013-06-24 14:28:44 +0100 |
| commit | 63384fd0b1509acf522a8a8fcede09087eedb7df (patch) | |
| tree | 3bdd2d078cdf5300d84c3288bcce1096da2361f2 /arch | |
| parent | 18d7f152df31e5a326301fdaad385e40874dff80 (diff) | |
| download | linux-63384fd0b1509acf522a8a8fcede09087eedb7df.tar.bz2 | |
ARM: 7772/1: Fix missing flush_kernel_dcache_page() for noMMU
Commit 1bc3974 (ARM: 7755/1: handle user space mapped pages in
flush_kernel_dcache_page) moved the implementation of
flush_kernel_dcache_page() into mm/flush.c but did not implement it
on noMMU ARM.
Signed-off-by: Simon Baatz <gmbnomis@gmail.com>
Acked-by: Kevin Hilman <khilman@linaro.org>
Cc: <stable@vger.kernel.org> # 3.2+: 1bc3974: ARM: 7755/1
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/mm/nommu.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/arm/mm/nommu.c b/arch/arm/mm/nommu.c index d51225f90ae2..eb5293a69a84 100644 --- a/arch/arm/mm/nommu.c +++ b/arch/arm/mm/nommu.c @@ -57,6 +57,12 @@ void flush_dcache_page(struct page *page) } EXPORT_SYMBOL(flush_dcache_page); +void flush_kernel_dcache_page(struct page *page) +{ + __cpuc_flush_dcache_area(page_address(page), PAGE_SIZE); +} +EXPORT_SYMBOL(flush_kernel_dcache_page); + void copy_to_user_page(struct vm_area_struct *vma, struct page *page, unsigned long uaddr, void *dst, const void *src, unsigned long len) |