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mm: neaten warn_alloc_failed

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Add __attribute__((format (printf...) to the function to validate format
and arguments.  Use vsprintf extension %pV to avoid any possible message
interleaving.  Coalesce format string.  Convert printks/pr_warning to
pr_warn.

[akpm@linux-foundation.org: use the __printf() macro]
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>
This commit is contained in:
Joe Perches
2011-10-31 17:08:35 -07:00
committed by Linus Torvalds
parent 06d5e032ad
commit 3ee9a4f086
3 changed files with 15 additions and 8 deletions
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4
mm/vmalloc.c
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@@ -1593,8 +1593,8 @@ static void *__vmalloc_area_node(struct vm_struct *area, gfp_t gfp_mask,
return area->addr;
fail:
warn_alloc_failed(gfp_mask, order, "vmalloc: allocation failure, "
"allocated %ld of %ld bytes\n",
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;