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authorJoe Perches <joe@perches.com>2011-10-31 17:08:48 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2011-10-31 17:30:48 -0700
commitde7d2b567d040e3b67fe7121945982f14343213d (patch)
treec834efc1b4117049b5da786417d9cc14c2b31076 /mm
parentf0dfcde099453aa4c0dc42473828d15a6d492936 (diff)
downloadlinux-stericsson-de7d2b567d040e3b67fe7121945982f14343213d.tar.gz
mm/vmalloc.c: report more vmalloc failures
Some vmalloc failure paths do not report OOM conditions. Add warn_alloc_failed, which also does a dump_stack, to those failure paths. This allows more site specific vmalloc failure logging message printks to be removed. Signed-off-by: Joe Perches <joe@perches.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/vmalloc.c11
1 files changed, 8 insertions, 3 deletions
diff --git a/mm/vmalloc.c b/mm/vmalloc.c
index 08ab0aa1406c..b669aa6f6caf 100644
--- a/mm/vmalloc.c
+++ b/mm/vmalloc.c
@@ -1625,13 +1625,12 @@ void *__vmalloc_node_range(unsigned long size, unsigned long align,
size = PAGE_ALIGN(size);
if (!size || (size >> PAGE_SHIFT) > totalram_pages)
- return NULL;
+ goto fail;
area = __get_vm_area_node(size, align, VM_ALLOC | VM_UNLIST,
start, end, node, gfp_mask, caller);
-
if (!area)
- return NULL;
+ goto fail;
addr = __vmalloc_area_node(area, gfp_mask, prot, node, caller);
@@ -1649,6 +1648,12 @@ void *__vmalloc_node_range(unsigned long size, unsigned long align,
kmemleak_alloc(addr, real_size, 3, gfp_mask);
return addr;
+
+fail:
+ warn_alloc_failed(gfp_mask, 0,
+ "vmalloc: allocation failure: %lu bytes\n",
+ real_size);
+ return NULL;
}
/**