vmalloc: call flush_cache_vunmap() from unmap_kernel_range()
Impact: proper vcache flush on unmap_kernel_range() flush_cache_vunmap() should be called before pages are unmapped. Add a call to it in unmap_kernel_range(). Signed-off-by: Tejun Heo <tj@kernel.org> Acked-by: Nick Piggin <npiggin@suse.de> Acked-by: David S. Miller <davem@davemloft.net> Cc: <stable@kernel.org> [2.6.28.x] Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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@ -1012,6 +1012,8 @@ void __init vmalloc_init(void)
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void unmap_kernel_range(unsigned long addr, unsigned long size)
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void unmap_kernel_range(unsigned long addr, unsigned long size)
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{
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{
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unsigned long end = addr + size;
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unsigned long end = addr + size;
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flush_cache_vunmap(addr, end);
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vunmap_page_range(addr, end);
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vunmap_page_range(addr, end);
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flush_tlb_kernel_range(addr, end);
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flush_tlb_kernel_range(addr, end);
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}
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}
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