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Subject[PATCH mm v3 06/38] kasan: drop skip_kasan_poison variable in free_pages_prepare
Date
From: Andrey Konovalov <andreyknvl@google.com>

skip_kasan_poison is only used in a single place.
Call should_skip_kasan_poison() directly for simplicity.

Signed-off-by: Andrey Konovalov <andreyknvl@google.com>
Suggested-by: Marco Elver <elver@google.com>

---

Changes v1->v2:
- Add this patch.
---
mm/page_alloc.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 114d6b010331..73280222e0e8 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -1300,7 +1300,6 @@ static __always_inline bool free_pages_prepare(struct page *page,
unsigned int order, bool check_free, fpi_t fpi_flags)
{
int bad = 0;
- bool skip_kasan_poison = should_skip_kasan_poison(page, fpi_flags);
bool init = want_init_on_free();

VM_BUG_ON_PAGE(PageTail(page), page);
@@ -1374,7 +1373,7 @@ static __always_inline bool free_pages_prepare(struct page *page,
* With hardware tag-based KASAN, memory tags must be set before the
* page becomes unavailable via debug_pagealloc or arch_free_page.
*/
- if (!skip_kasan_poison) {
+ if (!should_skip_kasan_poison(page, fpi_flags)) {
kasan_poison_pages(page, order, init);

/* Memory is already initialized if KASAN did it internally. */
--
2.25.1
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