Currently it says that the memory gets poisoned by page_alloc code.
Clarify this by mentioning the specific callback that poisons the
memory.

Signed-off-by: Andrey Konovalov <andreyk...@google.com>
Reviewed-by: Dmitry Vyukov <dvyu...@google.com>
Reviewed-by: Marco Elver <el...@google.com>
Link: 
https://linux-review.googlesource.com/id/I1334dffb69b87d7986fab88a1a039cc3ea764725
---
 mm/kasan/common.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

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(). */
 }
-- 
2.29.2.454.gaff20da3a2-goog

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