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authorSimon Baatz <gmbnomis@gmail.com>2013-06-22 22:01:25 +0100
committerBen Hutchings <ben@decadent.org.uk>2013-06-29 04:06:28 +0100
commitbdd1c06a9df5155e6338f01100ad5c4a6c6dbffc (patch)
tree7a8e5ebf5c86cb0e7fd631f86ef45d364c2e9c19 /arch
parentfa76cd49f117853eb06d3de8f343a99421d8ddc3 (diff)
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ARM: 7772/1: Fix missing flush_kernel_dcache_page() for noMMU
commit 63384fd0b1509acf522a8a8fcede09087eedb7df upstream. 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> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk> Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Diffstat (limited to 'arch')
-rw-r--r--arch/arm/mm/nommu.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/arm/mm/nommu.c b/arch/arm/mm/nommu.c
index 941a98c..a5018fb 100644
--- a/arch/arm/mm/nommu.c
+++ b/arch/arm/mm/nommu.c
@@ -53,6 +53,12 @@ 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)