The patch titled
Subject: khugepaged-use-a-folio-throughout-collapse_file-fix
has been added to the -mm mm-unstable branch. Its filename is
khugepaged-use-a-folio-throughout-collapse_file-fix.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/khugepaged-use-a-folio-throughout-collapse_file-fix.patch
This patch will later appear in the mm-unstable branch at
git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
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------------------------------------------------------
From: Matthew Wilcox <willy@xxxxxxxxxxxxx>
Subject: khugepaged-use-a-folio-throughout-collapse_file-fix
Date: Sun, 7 Apr 2024 04:43:27 +0100
the unlikely() is embedded in IS_ERR() so no need to keep it here
Link: https://lkml.kernel.org/r/ZhIWX8K0E2tSyMSr@xxxxxxxxxxxxxxxxxxxx
Signed-off-by: Matthew Wilcox <willy@xxxxxxxxxxxxx>
Reported-by: Vishal Moola <vishal.moola@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/khugepaged.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/mm/khugepaged.c~khugepaged-use-a-folio-throughout-collapse_file-fix
+++ a/mm/khugepaged.c
@@ -1865,7 +1865,7 @@ static int collapse_file(struct mm_struc
/* drain lru cache to help isolate_lru_page() */
lru_add_drain();
folio = filemap_lock_folio(mapping, index);
- if (unlikely(folio == NULL)) {
+ if (IS_ERR(folio)) {
result = SCAN_FAIL;
goto xa_unlocked;
}
_
Patches currently in -mm which might be from willy@xxxxxxxxxxxxx are
mm-always-initialise-folio-_deferred_list.patch
mm-create-folio_flag_false-and-folio_type_ops-macros.patch
mm-remove-folio_prep_large_rmappable.patch
mm-support-page_mapcount-on-page_has_type-pages.patch
mm-turn-folio_test_hugetlb-into-a-pagetype.patch
mm-turn-folio_test_hugetlb-into-a-pagetype-fix.patch
mm-remove-a-call-to-compound_head-from-is_page_hwpoison.patch
mm-free-up-pg_slab.patch
mm-free-up-pg_slab-fix.patch
mm-improve-dumping-of-mapcount-and-page_type.patch
hugetlb-remove-mention-of-destructors.patch
sh-remove-use-of-pg_arch_1-on-individual-pages.patch
xtensa-remove-uses-of-pg_arch_1-on-individual-pages.patch
mm-make-page_ext_get-take-a-const-argument.patch
mm-make-folio_test_idle-and-folio_test_young-take-a-const-argument.patch
mm-make-is_free_buddy_page-take-a-const-argument.patch
mm-make-page_mapped-take-a-const-argument.patch
mm-convert-arch_clear_hugepage_flags-to-take-a-folio.patch
mm-convert-arch_clear_hugepage_flags-to-take-a-folio-fix.patch
slub-remove-use-of-page-flags.patch
remove-references-to-page-flags-in-documentation.patch
proc-rewrite-stable_page_flags.patch
proc-rewrite-stable_page_flags-fix.patch
proc-rewrite-stable_page_flags-fix-2.patch
sparc-use-is_huge_zero_pmd.patch
mm-add-is_huge_zero_folio.patch
mm-add-pmd_folio.patch
mm-convert-migrate_vma_collect_pmd-to-use-a-folio.patch
mm-convert-huge_zero_page-to-huge_zero_folio.patch
mm-convert-do_huge_pmd_anonymous_page-to-huge_zero_folio.patch
dax-use-huge_zero_folio.patch
mm-rename-mm_put_huge_zero_page-to-mm_put_huge_zero_folio.patch
mm-use-rwsem-assertion-macros-for-mmap_lock.patch
filemap-remove-__set_page_dirty.patch
mm-correct-page_mapped_in_vma-for-large-folios.patch
mm-remove-vma_address.patch
mm-rename-vma_pgoff_address-back-to-vma_address.patch
khugepaged-inline-hpage_collapse_alloc_folio.patch
khugepaged-convert-alloc_charge_hpage-to-alloc_charge_folio.patch
khugepaged-remove-hpage-from-collapse_huge_page.patch
khugepaged-pass-a-folio-to-__collapse_huge_page_copy.patch
khugepaged-remove-hpage-from-collapse_file.patch
khugepaged-use-a-folio-throughout-collapse_file.patch
khugepaged-use-a-folio-throughout-collapse_file-fix.patch
khugepaged-use-a-folio-throughout-hpage_collapse_scan_file.patch
proc-convert-clear_refs_pte_range-to-use-a-folio.patch
proc-convert-smaps_account-to-use-a-folio.patch
mm-remove-page_idle-and-page_young-wrappers.patch
mm-generate-page_idle_flag-definitions.patch
proc-convert-gather_stats-to-use-a-folio.patch
proc-convert-smaps_page_accumulate-to-use-a-folio.patch
proc-pass-a-folio-to-smaps_page_accumulate.patch
proc-convert-smaps_pmd_entry-to-use-a-folio.patch
mm-remove-struct-page-from-get_shadow_from_swap_cache.patch
hugetlb-convert-alloc_buddy_hugetlb_folio-to-use-a-folio.patch
mm-convert-pagecache_isize_extended-to-use-a-folio.patch
mm-free-non-hugetlb-large-folios-in-a-batch.patch
mm-combine-free_the_page-and-free_unref_page.patch
mm-inline-destroy_large_folio-into-__folio_put_large.patch
mm-combine-__folio_put_small-__folio_put_large-and-__folio_put.patch
mm-convert-free_zone_device_page-to-free_zone_device_folio.patch
