The patch titled
Subject: mm/page_alloc: fix __alloc_size attribute for alloc_pages_exact_nid
has been added to the -mm tree. Its filename is
mm-page_alloc-fix-__alloc_size-attribute-for-alloc_pages_exact_nid.patch
This patch should soon appear at
https://ozlabs.org/~akpm/mmots/broken-out/mm-page_alloc-fix-__alloc_size-attribute-for-alloc_pages_exact_nid.patch
and later at
https://ozlabs.org/~akpm/mmotm/broken-out/mm-page_alloc-fix-__alloc_size-attribute-for-alloc_pages_exact_nid.patch
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------------------------------------------------------
From: Thibaut Sautereau <thibaut.sautereau@xxxxxxxxxxx>
Subject: mm/page_alloc: fix __alloc_size attribute for alloc_pages_exact_nid
The second parameter of alloc_pages_exact_nid is the one indicating the
size of memory pointed by the returned pointer.
Link: https://lkml.kernel.org/r/YbjEgwhn4bGblp//@coeus
Fixes: abd58f38dfb4 ("mm/page_alloc: add __alloc_size attributes for better bounds checking")
Signed-off-by: Thibaut Sautereau <thibaut.sautereau@xxxxxxxxxxx>
Acked-by: Kees Cook <keescook@xxxxxxxxxxxx>
Cc: Daniel Micay <danielmicay@xxxxxxxxx>
Cc: Levente Polyak <levente@xxxxxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
include/linux/gfp.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/include/linux/gfp.h~mm-page_alloc-fix-__alloc_size-attribute-for-alloc_pages_exact_nid
+++ a/include/linux/gfp.h
@@ -624,7 +624,7 @@ extern unsigned long get_zeroed_page(gfp
void *alloc_pages_exact(size_t size, gfp_t gfp_mask) __alloc_size(1);
void free_pages_exact(void *virt, size_t size);
-__meminit void *alloc_pages_exact_nid(int nid, size_t size, gfp_t gfp_mask) __alloc_size(1);
+__meminit void *alloc_pages_exact_nid(int nid, size_t size, gfp_t gfp_mask) __alloc_size(2);
#define __get_free_page(gfp_mask) \
__get_free_pages((gfp_mask), 0)
_
Patches currently in -mm which might be from thibaut.sautereau@xxxxxxxxxxx are
mm-page_alloc-fix-__alloc_size-attribute-for-alloc_pages_exact_nid.patch
