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authorAkinobu Mita <akinobu.mita@gmail.com>2008-01-08 15:32:57 -0800
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2008-01-08 16:10:36 -0800
commitc51b1a160b63304720d49479986915e4c475a2cf (patch)
tree88de6d01e76ead9920a8b3113830715224af0970 /mm
parentmd: fix data corruption when a degraded raid5 array is reshaped (diff)
downloadlinux-dev-c51b1a160b63304720d49479986915e4c475a2cf.tar.xz
linux-dev-c51b1a160b63304720d49479986915e4c475a2cf.zip
xip: fix get_zeroed_page with __GFP_HIGHMEM
The use of get_zeroed_page() with __GFP_HIGHMEM is invalid. Use alloc_page() with __GFP_ZERO instead of invalid get_zeroed_page(). (This patch is only compile tested) Cc: Carsten Otte <cotte@de.ibm.com> Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com> Acked-by: Hugh Dickins <hugh@veritas.com> Acked-by: Carsten Otte <cotte@de.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm')
-rw-r--r--mm/filemap_xip.c9
1 files changed, 5 insertions, 4 deletions
diff --git a/mm/filemap_xip.c b/mm/filemap_xip.c
index e233fff61b4b..f874ae818ad3 100644
--- a/mm/filemap_xip.c
+++ b/mm/filemap_xip.c
@@ -25,14 +25,15 @@ static struct page *__xip_sparse_page;
static struct page *xip_sparse_page(void)
{
if (!__xip_sparse_page) {
- unsigned long zeroes = get_zeroed_page(GFP_HIGHUSER);
- if (zeroes) {
+ struct page *page = alloc_page(GFP_HIGHUSER | __GFP_ZERO);
+
+ if (page) {
static DEFINE_SPINLOCK(xip_alloc_lock);
spin_lock(&xip_alloc_lock);
if (!__xip_sparse_page)
- __xip_sparse_page = virt_to_page(zeroes);
+ __xip_sparse_page = page;
else
- free_page(zeroes);
+ __free_page(page);
spin_unlock(&xip_alloc_lock);
}
}