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| author | Alex Shi <alex.shi@linux.alibaba.com> | 2020-12-14 19:12:01 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2020-12-15 12:13:44 -0800 |
| commit | 336e6b53d99ae32ee35c1a7d3d0f99db22e1ff51 (patch) | |
| tree | 464b199a5d60753a7b21f54cc9b04604ac9f2950 /mm/khugepaged.c | |
| parent | ebfe1b8f6ea5d83d8c1aa18ddd8ede432a7414e7 (diff) | |
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@linux.alibaba.com
Signed-off-by: Alex Shi <alex.shi@linux.alibaba.com>
Cc: Randy Dunlap <rdunlap@infradead.org>
Cc: Jonathan Corbet <corbet@lwn.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/khugepaged.c')
| -rw-r--r-- | mm/khugepaged.c | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/mm/khugepaged.c b/mm/khugepaged.c index 757292532767..2cc78a51c398 100644 --- a/mm/khugepaged.c +++ b/mm/khugepaged.c @@ -90,6 +90,8 @@ static struct kmem_cache *mm_slot_cache __read_mostly; * @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(struct mm_struct *mm, } /** - * 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 address_space *mapping, pgoff_t pgoff) /** * 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 |