| From | andrey.konovalov@linux ... | Subject | [PATCH mm v2 22/33] kasan: use virt_addr_valid in kasan_addr_to_page/slab | Date | Tue, 19 Jul 2022 02:10:02 +0200 |
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From: Andrey Konovalov <andreyknvl@google.com>
Instead of open-coding the validity checks for addr in kasan_addr_to_page/slab(), use the virt_addr_valid() helper.
Signed-off-by: Andrey Konovalov <andreyknvl@google.com>
---
Changes v1->v2: - This is a new patch. --- mm/kasan/report.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/mm/kasan/report.c b/mm/kasan/report.c index 83f420a28c0b..570f9419b90c 100644 --- a/mm/kasan/report.c +++ b/mm/kasan/report.c @@ -208,14 +208,14 @@ static void print_track(struct kasan_track *track, const char *prefix) struct page *kasan_addr_to_page(const void *addr) { - if ((addr >= (void *)PAGE_OFFSET) && (addr < high_memory)) + if (virt_addr_valid(addr)) return virt_to_head_page(addr); return NULL; } struct slab *kasan_addr_to_slab(const void *addr) { - if ((addr >= (void *)PAGE_OFFSET) && (addr < high_memory)) + if (virt_addr_valid(addr)) return virt_to_slab(addr); return NULL; } -- 2.25.1
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