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vmalloc: call flush_cache_vunmap() from unmap_kernel_range()

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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>
This commit is contained in:
Tejun Heo
2009-02-20 16:29:07 +09:00
parent 42f8faecf7
commit 734269521e
1 changed files with 2 additions and 0 deletions
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2
mm/vmalloc.c
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@@ -1012,6 +1012,8 @@ void __init vmalloc_init(void)
void unmap_kernel_range(unsigned long addr, unsigned long size) void unmap_kernel_range(unsigned long addr, unsigned long size)
{ {
unsigned long end = addr + size; unsigned long end = addr + size;
flush_cache_vunmap(addr, end);
vunmap_page_range(addr, end); vunmap_page_range(addr, end);
flush_tlb_kernel_range(addr, end); flush_tlb_kernel_range(addr, end);
} }