diff options
Diffstat (limited to 'mm/page_alloc.c')
| -rw-r--r-- | mm/page_alloc.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/mm/page_alloc.c b/mm/page_alloc.c index 28f60d9ea074..98d524f3d609 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -1012,6 +1012,7 @@ static bool free_pages_prepare(struct page *page, unsigned int order) PAGE_SIZE << order); } arch_free_page(page, order); + kernel_poison_pages(page, 1 << order, 0); kernel_map_pages(page, 1 << order, 0); kasan_free_pages(page, order); @@ -1413,6 +1414,7 @@ static int prep_new_page(struct page *page, unsigned int order, gfp_t gfp_flags, kasan_alloc_pages(page, order); arch_alloc_page(page, order); kernel_map_pages(page, 1 << order, 1); + kernel_poison_pages(page, 1 << order, 1); if (gfp_flags & __GFP_ZERO) for (i = 0; i < (1 << order); i++) |