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authorAndrey Konovalov <andreyknvl@google.com>2023-12-19 23:28:51 +0100
committerAndrew Morton <akpm@linux-foundation.org>2023-12-29 20:58:37 +0100
commit9f41c59ae3163690868a32bd77e9e33c3bab555e (patch)
tree1fd4cb6949e3d293a236aa39ad572c6ddac95e07 /mm/kasan
parentkasan: introduce kasan_mempool_poison_pages (diff)
downloadlinux-9f41c59ae3163690868a32bd77e9e33c3bab555e.tar.xz
linux-9f41c59ae3163690868a32bd77e9e33c3bab555e.zip
kasan: introduce kasan_mempool_unpoison_pages
Introduce and document a new kasan_mempool_unpoison_pages hook to be used by the mempool code instead of kasan_unpoison_pages. This hook is not functionally different from kasan_unpoison_pages, but using it improves the mempool code readability. Link: https://lkml.kernel.org/r/239bd9af6176f2cc59f5c25893eb36143184daff.1703024586.git.andreyknvl@google.com Signed-off-by: Andrey Konovalov <andreyknvl@google.com> Cc: Alexander Lobakin <alobakin@pm.me> Cc: Alexander Potapenko <glider@google.com> Cc: Andrey Ryabinin <ryabinin.a.a@gmail.com> Cc: Breno Leitao <leitao@debian.org> Cc: Dmitry Vyukov <dvyukov@google.com> Cc: Evgenii Stepanov <eugenis@google.com> Cc: Marco Elver <elver@google.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'mm/kasan')
-rw-r--r--mm/kasan/common.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/mm/kasan/common.c b/mm/kasan/common.c
index b416f4c265a4..7ebc001d0fcd 100644
--- a/mm/kasan/common.c
+++ b/mm/kasan/common.c
@@ -449,6 +449,12 @@ bool __kasan_mempool_poison_pages(struct page *page, unsigned int order,
return true;
}
+void __kasan_mempool_unpoison_pages(struct page *page, unsigned int order,
+ unsigned long ip)
+{
+ __kasan_unpoison_pages(page, order, false);
+}
+
bool __kasan_mempool_poison_object(void *ptr, unsigned long ip)
{
struct folio *folio;