ChangeSet 1.1582, 2005/03/16 12:25:52-03:00, [EMAIL PROTECTED]
Andrea Arcangeli: get_user_pages() shall not grab PG_reserved pages
memory.c | 8 +++++---
1 files changed, 5 insertions(+), 3 deletions(-)
diff -Nru a/mm/memory.c b/mm/memory.c
--- a/mm/memory.c 2005-03-16 15:03:06 -08:00
+++ b/mm/memory.c 2005-03-16 15:03:06 -08:00
@@ -499,9 +499,11 @@
/* FIXME: call the correct function,
* depending on the type of the found page
*/
- if (!pages[i])
- goto bad_page;
- page_cache_get(pages[i]);
+ if (!pages[i] || PageReserved(pages[i])) {
+ if (pages[i] != ZERO_PAGE(start))
+ goto bad_page;
+ } else
+ page_cache_get(pages[i]);
}
if (vmas)
vmas[i] = vma;
-
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