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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) <willy@infradead.org>
Reviewed-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Matthew Wilcox (Oracle) 2023-12-12 16:48:13 +00:00 committed by Andrew Morton
parent 96db66d9c8
commit 8d294a8c63
1 changed files with 0 additions and 4 deletions
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4
mm/swapfile.c
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@ -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);