The patch titled
Subject: kasan: drop skip_kasan_poison variable in free_pages_prepare
has been removed from the -mm tree. Its filename was
kasan-drop-skip_kasan_poison-variable-in-free_pages_prepare.patch
This patch was dropped because it was merged into mainline or a subsystem tree
------------------------------------------------------
From: Andrey Konovalov <andreyknvl@xxxxxxxxxx>
Subject: kasan: drop skip_kasan_poison variable in free_pages_prepare
skip_kasan_poison is only used in a single place. Call
should_skip_kasan_poison() directly for simplicity.
Link: https://lkml.kernel.org/r/1d33212e79bc9ef0b4d3863f903875823e89046f.1643047180.git.andreyknvl@xxxxxxxxxx
Signed-off-by: Andrey Konovalov <andreyknvl@xxxxxxxxxx>
Suggested-by: Marco Elver <elver@xxxxxxxxxx>
Acked-by: Marco Elver <elver@xxxxxxxxxx>
Cc: Alexander Potapenko <glider@xxxxxxxxxx>
Cc: Andrey Ryabinin <ryabinin.a.a@xxxxxxxxx>
Cc: Catalin Marinas <catalin.marinas@xxxxxxx>
Cc: Dmitry Vyukov <dvyukov@xxxxxxxxxx>
Cc: Evgenii Stepanov <eugenis@xxxxxxxxxx>
Cc: Mark Rutland <mark.rutland@xxxxxxx>
Cc: Peter Collingbourne <pcc@xxxxxxxxxx>
Cc: Vincenzo Frascino <vincenzo.frascino@xxxxxxx>
Cc: Will Deacon <will@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/page_alloc.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
--- a/mm/page_alloc.c~kasan-drop-skip_kasan_poison-variable-in-free_pages_prepare
+++ a/mm/page_alloc.c
@@ -1297,7 +1297,6 @@ static __always_inline bool free_pages_p
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);
@@ -1371,7 +1370,7 @@ static __always_inline bool free_pages_p
* 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. */
_
Patches currently in -mm which might be from andreyknvl@xxxxxxxxxx are
stacktrace-add-interface-based-on-shadow-call-stack.patch
arm64-scs-save-scs_sp-values-per-cpu-when-switching-stacks.patch
arm64-implement-stack_trace_save_shadow.patch
kasan-use-stack_trace_save_shadow.patch
