The patch titled
mm: make filemap_nopage use NOPAGE_SIGBUS
has been added to the -mm tree. Its filename is
mm-make-filemap_nopage-use-nopage_sigbus.patch
See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
out what to do about this
------------------------------------------------------
Subject: mm: make filemap_nopage use NOPAGE_SIGBUS
From: Adam Litke <agl@xxxxxxxxxx>
Don't open-code NOPAGE_SIGBUS.
Signed-off-by: Adam Litke <agl@xxxxxxxxxx>
Acked-by: Hugh Dickins <hugh@xxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxx>
---
mm/filemap.c | 6 +++---
1 files changed, 3 insertions(+), 3 deletions(-)
diff -puN mm/filemap.c~mm-make-filemap_nopage-use-nopage_sigbus mm/filemap.c
--- a/mm/filemap.c~mm-make-filemap_nopage-use-nopage_sigbus
+++ a/mm/filemap.c
@@ -1473,7 +1473,7 @@ 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:
/*
@@ -1498,7 +1498,7 @@ no_cached_page:
*/
if (error == -ENOMEM)
return NOPAGE_OOM;
- return NULL;
+ return NOPAGE_SIGBUS;
page_not_uptodate:
if (!did_readaround) {
@@ -1567,7 +1567,7 @@ page_not_uptodate:
*/
shrink_readahead_size_eio(file, ra);
page_cache_release(page);
- return NULL;
+ return NOPAGE_SIGBUS;
}
EXPORT_SYMBOL(filemap_nopage);
_
Patches currently in -mm which might be from agl@xxxxxxxxxx are
mm-make-filemap_nopage-use-nopage_sigbus.patch
-
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