The quilt patch titled Subject: mm/memory.c:zap_pte_range() print bad swap entry has been removed from the -mm tree. Its filename was mm-memoryc-zap_pte_range-print-bad-swap-entry.patch This patch was dropped because it was merged into the mm-hotfixes-stable branch of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm ------------------------------------------------------ From: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> Subject: mm/memory.c:zap_pte_range() print bad swap entry Date: Wed Nov 15 01:54:18 PM PST 2023 We have a report of this WARN() triggering. Let's print the offending swp_entry_t to help diagnosis. Link: https://lkml.kernel.org/r/000000000000b0e576060a30ee3b@xxxxxxxxxx Cc: Muhammad Usama Anjum <usama.anjum@xxxxxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- mm/memory.c | 1 + 1 file changed, 1 insertion(+) --- a/mm/memory.c~mm-memoryc-zap_pte_range-print-bad-swap-entry +++ a/mm/memory.c @@ -1517,6 +1517,7 @@ static unsigned long zap_pte_range(struc continue; } else { /* We should have covered all the swap entry types */ + pr_alert("unrecognized swap entry 0x%lx\n", entry.val); WARN_ON_ONCE(1); } pte_clear_not_present_full(mm, addr, pte, tlb->fullmm); _ Patches currently in -mm which might be from akpm@xxxxxxxxxxxxxxxxxxxx are mm-shmem-fix-race-in-shmem_undo_range-w-thp-fix.patch mm-add-folio_zero_tail-and-use-it-in-ext4-fix.patch mm-add-folio_fill_tail-and-use-it-in-iomap-fix.patch mm-memcg-restore-subtree-stats-flushing-fix.patch kernel-reboot-explicitly-notify-if-halt-occurred-instead-of-power-off-fix.patch