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Commit 73426952 authored by Tejun Heo's avatar Tejun Heo
Browse files

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: default avatarTejun Heo <tj@kernel.org>
parent 42f8faec

mm/vmalloc.c

+2 −0
Original line number Original line Diff line number Diff line
@@ -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);

}

}