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authorAdam Litke <agl@us.ibm.com>2006-09-29 10:58:43 +0200
committerLinus Torvalds <torvalds@g5.osdl.org>2006-09-29 18:18:03 +0200
commit79f5acf5d784492afe80723496624093079aed9c (patch)
tree64933a842722dbd8923680a9aafa4c334d1b06d5
parent[PATCH] mm: fix a race condition under SMC + COW (diff)
downloadlinux-79f5acf5d784492afe80723496624093079aed9c.tar.xz
linux-79f5acf5d784492afe80723496624093079aed9c.zip
[PATCH] mm: make filemap_nopage use NOPAGE_SIGBUS
Don't open-code NOPAGE_SIGBUS. Signed-off-by: Adam Litke <agl@us.ibm.com> Acked-by: Hugh Dickins <hugh@veritas.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
-rw-r--r--mm/filemap.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/mm/filemap.c b/mm/filemap.c
index afcdc72b5e90..3277f3b23524 100644
--- a/mm/filemap.c
+++ b/mm/filemap.c
@@ -1471,7 +1471,7 @@ outside_data_content:
* accessible..
*/
if (area->vm_mm == current->mm)
- return NULL;
+ return NOPAGE_SIGBUS;
/* Fall through to the non-read-ahead case */
no_cached_page:
/*
@@ -1496,7 +1496,7 @@ no_cached_page:
*/
if (error == -ENOMEM)
return NOPAGE_OOM;
- return NULL;
+ return NOPAGE_SIGBUS;
page_not_uptodate:
if (!did_readaround) {
@@ -1565,7 +1565,7 @@ page_not_uptodate:
*/
shrink_readahead_size_eio(file, ra);
page_cache_release(page);
- return NULL;
+ return NOPAGE_SIGBUS;
}
EXPORT_SYMBOL(filemap_nopage);