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authorJoonsoo Kim <js1304@gmail.com>2012-12-11 16:01:24 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2012-12-11 17:22:24 -0800
commiteb2db439a3203ae86c35ad277ac4a3268a94baa1 (patch)
treea36bb544c2252468b91f10495915015e05ddde68
parenta354e2c84eeebcd7d7bbdd71216895b8e9866b5c (diff)
downloadblackbird-op-linux-eb2db439a3203ae86c35ad277ac4a3268a94baa1.tar.gz
blackbird-op-linux-eb2db439a3203ae86c35ad277ac4a3268a94baa1.zip
mm, highmem: get virtual address of the page using PKMAP_ADDR()
In flush_all_zero_pkmaps(), we have an index of the pkmap associated with the page. Using this index, we can simply get virtual address of the page. So change it. Signed-off-by: Joonsoo Kim <js1304@gmail.com> Cc: Mel Gorman <mel@csn.ul.ie> Reviewed-by: Minchan Kim <minchan@kernel.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
-rw-r--r--mm/highmem.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/mm/highmem.c b/mm/highmem.c
index 4d6f96c20191..d999077431df 100644
--- a/mm/highmem.c
+++ b/mm/highmem.c
@@ -137,8 +137,7 @@ static void flush_all_zero_pkmaps(void)
* So no dangers, even with speculative execution.
*/
page = pte_page(pkmap_page_table[i]);
- pte_clear(&init_mm, (unsigned long)page_address(page),
- &pkmap_page_table[i]);
+ pte_clear(&init_mm, PKMAP_ADDR(i), &pkmap_page_table[i]);
set_page_address(page, NULL);
need_flush = 1;
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