The patch titled
vmalloc: call flush_cache_vunmap() from unmap_kernel_range()
has been added to the -mm tree. Its filename is
vmalloc-call-flush_cache_vunmap-from-unmap_kernel_range.patch
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*** Remember to use Documentation/SubmitChecklist when testing your code ***
See http://userweb.kernel.org/~akpm/stuff/added-to-mm.txt to find
out what to do about this
The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/
------------------------------------------------------
Subject: vmalloc: call flush_cache_vunmap() from unmap_kernel_range()
From: Tejun Heo <tj@xxxxxxxxxx>
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>
Acked-by: Nick Piggin <npiggin@xxxxxxx>
Cc: <stable@xxxxxxxxxx> [2.6.28.x]
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/vmalloc.c | 2 ++
1 file changed, 2 insertions(+)
diff -puN mm/vmalloc.c~vmalloc-call-flush_cache_vunmap-from-unmap_kernel_range mm/vmalloc.c
--- a/mm/vmalloc.c~vmalloc-call-flush_cache_vunmap-from-unmap_kernel_range
+++ a/mm/vmalloc.c
@@ -1013,6 +1013,8 @@ 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);
}
_
Patches currently in -mm which might be from tj@xxxxxxxxxx are
origin.patch
vmalloc-call-flush_cache_vunmap-from-unmap_kernel_range.patch
linux-next.patch
sysfs-reference-sysfs_dirent-from-sysfs-inodes.patch
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