Author: Tejun Heo <tj@xxxxxxxxxx>
AuthorDate: Fri, 20 Feb 2009 16:29:07 +0900
Commit: Tejun Heo <tj@xxxxxxxxxx>
CommitDate: Fri, 20 Feb 2009 16:29:07 +0900
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@xxxxxxxxxx>
---
mm/vmalloc.c | 2 ++
1 files changed, 2 insertions(+), 0 deletions(-)
diff --git a/mm/vmalloc.c b/mm/vmalloc.c
index 75f49d3..c37924a 100644
--- a/mm/vmalloc.c
+++ b/mm/vmalloc.c
@@ -1012,6 +1012,8 @@ void __init vmalloc_init(void)
void unmap_kernel_range(unsigned long addr, unsigned long size)
{
unsigned long end = addr + size;
+
+ flush_cache_vunmap(addr, end);
vunmap_page_range(addr, end);
flush_tlb_kernel_range(addr, end);
}
--
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