Since lumpy reclaim was removed in v3.5 scan_control is not used by may_write_to_{queue|inode} and pageout() anymore, remove the unused parameter. Cc: Mel Gorman <mgorman@xxxxxxxxxxxxxxxxxxx> Cc: Johannes Weiner <hannes@xxxxxxxxxxx> Cc: Michal Hocko <mhocko@xxxxxxxx> Signed-off-by: Yang Shi <yang.shi@xxxxxxxxxxxxxxxxx> --- mm/vmscan.c | 9 ++++----- 1 file changed, 4 insertions(+), 5 deletions(-) diff --git a/mm/vmscan.c b/mm/vmscan.c index e5d52d6..17489b8 100644 --- a/mm/vmscan.c +++ b/mm/vmscan.c @@ -774,7 +774,7 @@ static inline int is_page_cache_freeable(struct page *page) return page_count(page) - page_has_private(page) == 1 + page_cache_pins; } -static int may_write_to_inode(struct inode *inode, struct scan_control *sc) +static int may_write_to_inode(struct inode *inode) { if (current->flags & PF_SWAPWRITE) return 1; @@ -822,8 +822,7 @@ static void handle_write_error(struct address_space *mapping, * pageout is called by shrink_page_list() for each dirty page. * Calls ->writepage(). */ -static pageout_t pageout(struct page *page, struct address_space *mapping, - struct scan_control *sc) +static pageout_t pageout(struct page *page, struct address_space *mapping) { /* * If the page is dirty, only perform writeback if that write @@ -859,7 +858,7 @@ static pageout_t pageout(struct page *page, struct address_space *mapping, } if (mapping->a_ops->writepage == NULL) return PAGE_ACTIVATE; - if (!may_write_to_inode(mapping->host, sc)) + if (!may_write_to_inode(mapping->host)) return PAGE_KEEP; if (clear_page_dirty_for_io(page)) { @@ -1396,7 +1395,7 @@ static unsigned long shrink_page_list(struct list_head *page_list, * starts and then write it out here. */ try_to_unmap_flush_dirty(); - switch (pageout(page, mapping, sc)) { + switch (pageout(page, mapping)) { case PAGE_KEEP: goto keep_locked; case PAGE_ACTIVATE: -- 1.8.3.1