The patch titled Subject: mm-memcg-add-swapcache-stat-for-memcg-v2-fix has been added to the -mm tree. Its filename is mm-memcg-add-swapcache-stat-for-memcg-v2-fix.patch This patch should soon appear at https://ozlabs.org/~akpm/mmots/broken-out/mm-memcg-add-swapcache-stat-for-memcg-v2-fix.patch and later at https://ozlabs.org/~akpm/mmotm/broken-out/mm-memcg-add-swapcache-stat-for-memcg-v2-fix.patch Before you just go and hit "reply", please: a) Consider who else should be cc'ed b) Prefer to cc a suitable mailing list as well c) Ideally: find the original patch on the mailing list and do a reply-to-all to that, adding suitable additional cc's *** Remember to use Documentation/process/submit-checklist.rst when testing your code *** The -mm tree is included into linux-next and is updated there every 3-4 working days ------------------------------------------------------ From: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> Subject: mm-memcg-add-swapcache-stat-for-memcg-v2-fix fix CONFIG_SWAP=n build Reported-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx> Cc: Johannes Weiner <hannes@xxxxxxxxxxx> Cc: Michal Hocko <mhocko@xxxxxxxx> Cc: Muchun Song <songmuchun@xxxxxxxxxxxxx> Cc: Roman Gushchin <guro@xxxxxx> Cc: Shakeel Butt <shakeelb@xxxxxxxxxx> Cc: Yang Shi <shy828301@xxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- mm/memcontrol.c | 2 ++ mm/migrate.c | 2 ++ 2 files changed, 4 insertions(+) --- a/mm/memcontrol.c~mm-memcg-add-swapcache-stat-for-memcg-v2-fix +++ a/mm/memcontrol.c @@ -1521,7 +1521,9 @@ static const struct memory_stat memory_s { "file_mapped", NR_FILE_MAPPED }, { "file_dirty", NR_FILE_DIRTY }, { "file_writeback", NR_WRITEBACK }, +#ifdef CONFIG_SWAP { "swapcached", NR_SWAPCACHE }, +#endif #ifdef CONFIG_TRANSPARENT_HUGEPAGE { "anon_thp", NR_ANON_THPS }, { "file_thp", NR_FILE_THPS }, --- a/mm/migrate.c~mm-memcg-add-swapcache-stat-for-memcg-v2-fix +++ a/mm/migrate.c @@ -500,10 +500,12 @@ int migrate_page_move_mapping(struct add __mod_lruvec_state(old_lruvec, NR_SHMEM, -nr); __mod_lruvec_state(new_lruvec, NR_SHMEM, nr); } +#ifdef CONFIG_SWAP if (PageSwapCache(page)) { __mod_lruvec_state(old_lruvec, NR_SWAPCACHE, -nr); __mod_lruvec_state(new_lruvec, NR_SWAPCACHE, nr); } +#endif if (dirty && mapping_can_writeback(mapping)) { __mod_lruvec_state(old_lruvec, NR_FILE_DIRTY, -nr); __mod_zone_page_state(oldzone, NR_ZONE_WRITE_PENDING, -nr); _ Patches currently in -mm which might be from akpm@xxxxxxxxxxxxxxxxxxxx are mm-page_alloc-add-a-missing-mm_page_alloc_zone_locked-tracepoint-fix.patch mm-process_vm_accessc-include-compath.patch mm.patch mm-memcg-slab-pre-allocate-obj_cgroups-for-slab-caches-with-slab_account-fix.patch mm-memcontrol-optimize-per-lruvec-stats-counter-memory-usage-checkpatch-fixes.patch mm-memcg-add-swapcache-stat-for-memcg-v2-fix.patch kasan-fix-bug-detection-via-ksize-for-hw_tags-mode-fix.patch mm-cma-allocate-cma-areas-bottom-up-fix-3-fix.patch mm-vmstat-fix-proc-sys-vm-stat_refresh-generating-false-warnings-fix-2.patch kfence-kasan-make-kfence-compatible-with-kasan-fix.patch linux-next-git-rejects.patch set_memory-allow-set_direct_map__noflush-for-multiple-pages-fix.patch arch-mm-wire-up-memfd_secret-system-call-were-relevant-fix.patch kernel-forkc-export-kernel_thread-to-modules.patch