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ARM: 7772/1: Fix missing flush_kernel_dcache_page() for noMMU
Commit1bc3974
(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>
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@ -57,6 +57,12 @@ void flush_dcache_page(struct page *page)
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}
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EXPORT_SYMBOL(flush_dcache_page);
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void flush_kernel_dcache_page(struct page *page)
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{
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__cpuc_flush_dcache_area(page_address(page), PAGE_SIZE);
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}
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EXPORT_SYMBOL(flush_kernel_dcache_page);
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void copy_to_user_page(struct vm_area_struct *vma, struct page *page,
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unsigned long uaddr, void *dst, const void *src,
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unsigned long len)
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