Commit 63384fd0 authored Jun 22, 2013 by Simon Baatz Committed by Russell King Jun 24, 2013

ARM: 7772/1: Fix missing flush_kernel_dcache_page() for noMMU



Commit 1bc39742 (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+: 1bc39742: ARM: 7755/1
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

parent 18d7f152

arch/arm/mm/nommu.c

+6 −0

Original line number	Diff line number	Diff line
		@@ -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)

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