From: Alex Shi <alex.shi@xxxxxxxxxxxxxxxxx> Subject: mm/truncate: add parameter explanation for invalidate_mapping_pagevec To fix a kernel-doc markups issue: mm/truncate.c:646: warning: Function parameter or member 'mapping' not described in 'invalidate_mapping_pagevec' mm/truncate.c:646: warning: Function parameter or member 'start' not described in 'invalidate_mapping_pagevec' mm/truncate.c:646: warning: Function parameter or member 'end' not described in 'invalidate_mapping_pagevec' mm/truncate.c:646: warning: Function parameter or member 'nr_pagevec' not described in 'invalidate_mapping_pagevec' Link: https://lkml.kernel.org/r/1605605088-30668-1-git-send-email-alex.shi@xxxxxxxxxxxxxxxxx Signed-off-by: Alex Shi <alex.shi@xxxxxxxxxxxxxxxxx> Cc: Jonathan Corbet <corbet@xxxxxxx> Cc: Randy Dunlap <rdunlap@xxxxxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- mm/truncate.c | 12 +++++++++--- 1 file changed, 9 insertions(+), 3 deletions(-) --- a/mm/truncate.c~mm-truncate-add-parameter-explanation-for-invalidate_mapping_pagevec +++ a/mm/truncate.c @@ -637,9 +637,15 @@ unsigned long invalidate_mapping_pages(s EXPORT_SYMBOL(invalidate_mapping_pages); /** - * This helper is similar with the above one, except that it accounts for pages - * that are likely on a pagevec and count them in @nr_pagevec, which will used by - * the caller. + * invalidate_mapping_pagevec - Invalidate all the unlocked pages of one inode + * @mapping: the address_space which holds the pages to invalidate + * @start: the offset 'from' which to invalidate + * @end: the offset 'to' which to invalidate (inclusive) + * @nr_pagevec: invalidate failed page number for caller + * + * This helper is similar with invalidate_mapping_pages, except that it accounts + * for pages that failed to invalidate on a pagevec and count them in + * @nr_pagevec, which will used by the caller. */ void invalidate_mapping_pagevec(struct address_space *mapping, pgoff_t start, pgoff_t end, unsigned long *nr_pagevec) _