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authorJason Gunthorpe <jgg@nvidia.com>2023-04-04 11:03:24 -0300
committerJason Gunthorpe <jgg@nvidia.com>2023-04-04 11:04:30 -0300
commit692d42d411b7db6a76382537fccbee3a12a2bcdb (patch)
tree24770529cf173188bc5d2d0d9331c0ac723b631e /mm/page_alloc.c
parentc52159b5be7894540acdc7a35791c0b57097fa4c (diff)
parent13a0d1ae7ee6b438f5537711a8c60cba00554943 (diff)
Merge branch 'iommufd/for-rc' into for-next
The following selftest patch requires both the bug fixes and the improvements of the selftest framework. * iommufd/for-rc: iommufd: Do not corrupt the pfn list when doing batch carry iommufd: Fix unpinning of pages when an access is present iommufd: Check for uptr overflow Linux 6.3-rc5 Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Diffstat (limited to 'mm/page_alloc.c')
-rw-r--r--mm/page_alloc.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index ac1fc986af44..7136c36c5d01 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -1398,6 +1398,7 @@ 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);
@@ -1470,7 +1471,7 @@ 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 (!should_skip_kasan_poison(page, fpi_flags)) {
+ if (!skip_kasan_poison) {
kasan_poison_pages(page, order, init);
/* Memory is already initialized if KASAN did it internally. */