On Fri, 15 Apr 2011 19:04:38 +0200, Dave Hansen wrote:
diff -puN mm/vmalloc.c~vmalloc-warn mm/vmalloc.c
--- linux-2.6.git/mm/vmalloc.c~vmalloc-warn 2011-04-15
08:49:06.823306620 -0700
+++ linux-2.6.git-dave/mm/vmalloc.c 2011-04-15 09:20:17.926460283 -0700
@@ -1534,6 +1534,7 @@ static void *__vmalloc_node(unsigned lon
static void *__vmalloc_area_node(struct vm_struct *area, gfp_t gfp_mask,
pgprot_t prot, int node, void *caller)
{
+ int order = 0;
Could we make that const?
struct page **pages;
unsigned int nr_pages, array_size, i;
gfp_t nested_gfp = (gfp_mask & GFP_RECLAIM_MASK) | __GFP_ZERO;
@@ -1560,11 +1561,12 @@ static void *__vmalloc_area_node(struct
for (i = 0; i < area->nr_pages; i++) {
struct page *page;
+ gfp_t tmp_mask = gfp_mask | __GFP_NOWARN;
if (node < 0)
- page = alloc_page(gfp_mask);
+ page = alloc_page(tmp_mask);
else
- page = alloc_pages_node(node, gfp_mask, 0);
+ page = alloc_pages_node(node, tmp_mask, order);
so it'll be more visible that we are passing 0 here.
if (unlikely(!page)) {
/* Successfully allocated i pages, free them in __vunmap() */
@@ -1579,6 +1581,9 @@ static void *__vmalloc_area_node(struct
return area->addr;
fail:
+ warn_alloc_failed(gfp_mask, order, "vmalloc: allocation failure, "
+ "allocated %ld of %ld bytes\n",
+ (area->nr_pages*PAGE_SIZE), area->size);
vfree(area->addr);
return NULL;
}
_
--
To unsubscribe, send a message with 'unsubscribe linux-mm' in
the body to majordomo@xxxxxxxxxx For more info on Linux MM,
see: http://www.linux-mm.org/ .
Fight unfair telecom internet charges in Canada: sign
http://stopthemeter.ca/
Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>
--
Best regards, _ _
.o. | Liege of Serenely Enlightened Majesty of o' \,=./ `o
..o | Computer Science, Michal "mina86" Nazarewicz (o o)
ooo +-----<email/xmpp: mnazarewicz@xxxxxxxxxx>-----ooO--(_)--Ooo--
--
To unsubscribe, send a message with 'unsubscribe linux-mm' in
the body to majordomo@xxxxxxxxxx For more info on Linux MM,
see: http://www.linux-mm.org/ .
Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/
Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>