From: Matthew Wilcox (Oracle) Date: Tue, 12 Dec 2023 16:48:13 +0000 (+0000) Subject: mm: remove PageAnonExclusive assertions in unuse_pte() X-Git-Tag: v6.8-rc1~180^2~158 X-Git-Url: https://git.kernel.dk/?a=commitdiff_plain;h=8d294a8c6393afbde59cf14a0e8413df4b206698;p=linux-2.6-block.git mm: remove PageAnonExclusive assertions in unuse_pte() The page in question is either freshly allocated or known to be in the swap cache; these assertions are not particularly useful. Link: https://lkml.kernel.org/r/20231212164813.2540119-1-willy@infradead.org Signed-off-by: Matthew Wilcox (Oracle) Reviewed-by: David Hildenbrand Signed-off-by: Andrew Morton --- diff --git a/mm/swapfile.c b/mm/swapfile.c index 0371b7b3cd27..85f9c355cb99 100644 --- a/mm/swapfile.c +++ b/mm/swapfile.c @@ -1788,10 +1788,6 @@ static int unuse_pte(struct vm_area_struct *vma, pmd_t *pmd, */ arch_swap_restore(entry, page_folio(page)); - /* See do_swap_page() */ - BUG_ON(!PageAnon(page) && PageMappedToDisk(page)); - BUG_ON(PageAnon(page) && PageAnonExclusive(page)); - dec_mm_counter(vma->vm_mm, MM_SWAPENTS); inc_mm_counter(vma->vm_mm, MM_ANONPAGES); get_page(page);