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[mm,v3,16/19] kasan: clarify comment in __kasan_kfree_large

Message ID ef974bf9a5cbab8fbf5d8fdf7c4468b04659d980.1605305978.git.andreyknvl@google.com (mailing list archive)
State New
Headers show
Series kasan: boot parameters for hardware tag-based mode | expand

Commit Message

Andrey Konovalov Nov. 13, 2020, 10:20 p.m. UTC
Currently it says that the memory gets poisoned by page_alloc code.
Clarify this by mentioning the specific callback that poisons the

Signed-off-by: Andrey Konovalov <andreyknvl@google.com>
Reviewed-by: Dmitry Vyukov <dvyukov@google.com>
Reviewed-by: Marco Elver <elver@google.com>
Link: https://linux-review.googlesource.com/id/I1334dffb69b87d7986fab88a1a039cc3ea764725
 mm/kasan/common.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/mm/kasan/common.c b/mm/kasan/common.c
index 821678a58ac6..42ba64fce8a3 100644
--- a/mm/kasan/common.c
+++ b/mm/kasan/common.c
@@ -453,5 +453,5 @@  void __kasan_kfree_large(void *ptr, unsigned long ip)
 	if (ptr != page_address(virt_to_head_page(ptr)))
 		kasan_report_invalid_free(ptr, ip);
-	/* The object will be poisoned by page_alloc. */
+	/* The object will be poisoned by kasan_free_pages(). */