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authorDavid S. Miller <davem@sunset.davemloft.net>2006-03-21 02:29:39 -0800
committerDavid S. Miller <davem@sunset.davemloft.net>2006-03-22 01:15:13 -0800
commit14778d9072e53d2171f66ffd9657daff41acfaed (patch)
tree3b60565ec1e957800fc3bf4743497202a24f8279 /drivers/video/sbuslib.c
parente952f31bce6e9f64db01f607abc46529ba57ac9e (diff)
[SPARC]: Respect vm_page_prot in io_remap_page_range().
Make sure the callers do a pgprot_noncached() on vma->vm_page_prot. Pointed out by Hugh Dickens. Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/video/sbuslib.c')
-rw-r--r--drivers/video/sbuslib.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/video/sbuslib.c b/drivers/video/sbuslib.c
index a4d7cc51ce0..34ef859ee41 100644
--- a/drivers/video/sbuslib.c
+++ b/drivers/video/sbuslib.c
@@ -58,6 +58,8 @@ int sbusfb_mmap_helper(struct sbus_mmap_map *map,
/* To stop the swapper from even considering these pages */
vma->vm_flags |= (VM_IO | VM_RESERVED);
+ vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
+
/* Each page, see which map applies */
for (page = 0; page < size; ){
map_size = 0;