The patch titled Subject: mm/memcg: remove incorrect comment has been added to the -mm tree. Its filename is mm-memcg-remove-incorrect-comments.patch This patch should soon appear at https://ozlabs.org/~akpm/mmots/broken-out/mm-memcg-remove-incorrect-comments.patch and later at https://ozlabs.org/~akpm/mmotm/broken-out/mm-memcg-remove-incorrect-comments.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: Alex Shi <alex.shi@xxxxxxxxxxxxxxxxx> Subject: mm/memcg: remove incorrect comment Swapcache readahead pages are charged before being used, so it is unlikely that they will be migrated before charging. Remove the incorrect comment. Link: https://lkml.kernel.org/r/1605864930-49405-1-git-send-email-alex.shi@xxxxxxxxxxxxxxxxx Signed-off-by: Alex Shi <alex.shi@xxxxxxxxxxxxxxxxx> Cc: Johannes Weiner <hannes@xxxxxxxxxxx> Cc: Michal Hocko <mhocko@xxxxxxxxxx> Cc: Vladimir Davydov <vdavydov.dev@xxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- mm/memcontrol.c | 1 - 1 file changed, 1 deletion(-) --- a/mm/memcontrol.c~mm-memcg-remove-incorrect-comments +++ a/mm/memcontrol.c @@ -6981,7 +6981,6 @@ void mem_cgroup_migrate(struct page *old if (newpage->mem_cgroup) return; - /* Swapcache readahead pages can get replaced before being charged */ memcg = oldpage->mem_cgroup; if (!memcg) return; _ Patches currently in -mm which might be from alex.shi@xxxxxxxxxxxxxxxxx are mm-filemap-add-static-for-function-__add_to_page_cache_locked.patch fs-ntfs-remove-unused-varibles.patch fs-ntfs-remove-unused-varible-attr_len.patch mm-truncate-add-parameter-explanation-for-invalidate_mapping_pagevec.patch mm-memcg-update-page-struct-member-in-comments.patch mm-thp-move-lru_add_page_tail-func-to-huge_memoryc.patch mm-thp-use-head-for-head-page-in-lru_add_page_tail.patch mm-thp-simplify-lru_add_page_tail.patch mm-thp-narrow-lru-locking.patch mm-vmscan-remove-unnecessary-lruvec-adding.patch mm-rmap-stop-store-reordering-issue-on-page-mapping.patch mm-rmap-stop-store-reordering-issue-on-page-mapping-fix.patch mm-memcg-add-debug-checking-in-lock_page_memcg.patch mm-swapc-fold-vm-event-pgrotated-into-pagevec_move_tail_fn.patch mm-lru-move-lock-into-lru_note_cost.patch mm-vmscan-remove-lruvec-reget-in-move_pages_to_lru.patch mm-mlock-remove-lru_lock-on-testclearpagemlocked.patch mm-mlock-remove-__munlock_isolate_lru_page.patch mm-lru-introduce-testclearpagelru.patch mm-compaction-do-page-isolation-first-in-compaction.patch mm-swapc-serialize-memcg-changes-in-pagevec_lru_move_fn.patch mm-lru-replace-pgdat-lru_lock-with-lruvec-lock.patch mm-lru-replace-pgdat-lru_lock-with-lruvec-lock-fix.patch mm-lru-replace-pgdat-lru_lock-with-lruvec-lock-fix-2.patch mm-lru-introduce-the-relock_page_lruvec-function-fix.patch mm-memcg-remove-incorrect-comments.patch mm-mapping_dirty_helpers-enhance-the-kernel-doc-markups.patch mm-add-colon-to-fix-kernel-doc-markups-error-for-check_pte.patch mm-vmalloc-add-align-parameter-explanation-for-pvm_determine_end_from_reverse.patch docs-vm-remove-unused-3-items-explanation-for-proc-vmstat.patch khugepaged-add-couples-parameter-explanation-for-kernel-doc-markup.patch mm-memcg-bail-early-from-swap-accounting-if-memcg-disabled.patch mm-memcg-warning-on-memcg-after-readahead-page-charged.patch