diff options
| -rw-r--r-- | mm/page_alloc.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/mm/page_alloc.c b/mm/page_alloc.c index 7a5040d8e48e..386898f1a7c3 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -2383,14 +2383,18 @@ inline void post_alloc_hook(struct page *page, unsigned int order, init = false; } if (kasan_has_integrated_init()) { - if (!init_tags) + if (!init_tags) { kasan_unpoison_pages(page, order, init); + + /* Note that memory is already initialized by KASAN. */ + init = false; + } } else { kasan_unpoison_pages(page, order, init); - - if (init) - kernel_init_free_pages(page, 1 << order); } + /* If memory is still not initialized, do it now. */ + if (init) + kernel_init_free_pages(page, 1 << order); /* Propagate __GFP_SKIP_KASAN_POISON to page flags. */ if (kasan_hw_tags_enabled() && (gfp_flags & __GFP_SKIP_KASAN_POISON)) SetPageSkipKASanPoison(page); |