3.6.11.7-rc1 stable review patch.
If anyone has any objections, please let me know.
------------------
From: Simon Baatz <gmbnomis@xxxxxxxxx>
[ Upstream commit 63384fd0b1509acf522a8a8fcede09087eedb7df ]
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@xxxxxxxxx>
Acked-by: Kevin Hilman <khilman@xxxxxxxxxx>
Cc: <stable@xxxxxxxxxxxxxxx> # 3.2+: 1bc3974: ARM: 7755/1
Signed-off-by: Russell King <rmk+kernel@xxxxxxxxxxxxxxxx>
Signed-off-by: Steven Rostedt <rostedt@xxxxxxxxxxx>
---
arch/arm/mm/nommu.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/arch/arm/mm/nommu.c b/arch/arm/mm/nommu.c
index d51225f..eb5293a 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)
--
1.7.10.4
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