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@xxxxxxxxxx>
Signed-off-by: Akinobu Mita <akinobu.mita@xxxxxxxxx>
---
mm/filemap_xip.c | 9 +++++----
1 file changed, 5 insertions(+), 4 deletions(-)
Index: 2.6-git/mm/filemap_xip.c
===================================================================
--- 2.6-git.orig/mm/filemap_xip.c
+++ 2.6-git/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);
}
}
-
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