The patch titled Subject: khugepaged: add parameter explanations for kernel-doc markup has been added to the -mm tree. Its filename is khugepaged-add-couples-parameter-explanation-for-kernel-doc-markup.patch This patch should soon appear at https://ozlabs.org/~akpm/mmots/broken-out/khugepaged-add-couples-parameter-explanation-for-kernel-doc-markup.patch and later at https://ozlabs.org/~akpm/mmotm/broken-out/khugepaged-add-couples-parameter-explanation-for-kernel-doc-markup.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: khugepaged: add parameter explanations for kernel-doc markup Add missed parameter explanation for some kernel-doc warnings: mm/khugepaged.c:102: warning: Function parameter or member 'nr_pte_mapped_thp' not described in 'mm_slot' mm/khugepaged.c:102: warning: Function parameter or member 'pte_mapped_thp' not described in 'mm_slot' mm/khugepaged.c:1424: warning: Function parameter or member 'mm' not described in 'collapse_pte_mapped_thp' mm/khugepaged.c:1424: warning: Function parameter or member 'addr' not described in 'collapse_pte_mapped_thp' mm/khugepaged.c:1626: warning: Function parameter or member 'mm' not described in 'collapse_file' mm/khugepaged.c:1626: warning: Function parameter or member 'file' not described in 'collapse_file' mm/khugepaged.c:1626: warning: Function parameter or member 'start' not described in 'collapse_file' mm/khugepaged.c:1626: warning: Function parameter or member 'hpage' not described in 'collapse_file' mm/khugepaged.c:1626: warning: Function parameter or member 'node' not described in 'collapse_file' Link: https://lkml.kernel.org/r/1605597325-25284-1-git-send-email-alex.shi@xxxxxxxxxxxxxxxxx Signed-off-by: Alex Shi <alex.shi@xxxxxxxxxxxxxxxxx> Cc: Randy Dunlap <rdunlap@xxxxxxxxxxxxx> Cc: Jonathan Corbet <corbet@xxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- mm/khugepaged.c | 14 +++++++++++++- 1 file changed, 13 insertions(+), 1 deletion(-) --- a/mm/khugepaged.c~khugepaged-add-couples-parameter-explanation-for-kernel-doc-markup +++ a/mm/khugepaged.c @@ -90,6 +90,8 @@ static struct kmem_cache *mm_slot_cache * @hash: hash collision list * @mm_node: khugepaged scan list headed in khugepaged_scan.mm_head * @mm: the mm that this information is valid for + * @nr_pte_mapped_thp: number of pte mapped THP + * @pte_mapped_thp: address array corresponding pte mapped THP */ struct mm_slot { struct hlist_node hash; @@ -1414,7 +1416,11 @@ static int khugepaged_add_pte_mapped_thp } /** - * Try to collapse a pte-mapped THP for mm at address haddr. + * collapse_pte_mapped_thp - Try to collapse a pte-mapped THP for mm at + * address haddr. + * + * @mm: process address space where collapse happens + * @addr: THP collapse address * * This function checks whether all the PTEs in the PMD are pointing to the * right THP. If so, retract the page table so the THP can refault in with @@ -1605,6 +1611,12 @@ static void retract_page_tables(struct a /** * collapse_file - collapse filemap/tmpfs/shmem pages into huge one. * + * @mm: process address space where collapse happens + * @file: file that collapse on + * @start: collapse start address + * @hpage: new allocated huge page for collapse + * @node: appointed node the new huge page allocate from + * * Basic scheme is simple, details are more complex: * - allocate and lock a new huge page; * - scan page cache replacing old pages with the new one _ 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-mapping_dirty_helpers-enhance-the-kernel-doc-markups.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