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mm/vmscan.c: remove unused scan_control parameter from pageout() 

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.

Link: http://lkml.kernel.org/r/1570124498-19300-1-git-send-email-yang.shi@linux.alibaba.com
Signed-off-by: Yang Shi <yang.shi@linux.alibaba.com>
Acked-by: David Rientjes <rientjes@google.com>
Acked-by: Michal Hocko <mhocko@suse.com>
Cc: Mel Gorman <mgorman@techsingularity.net>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Yang Shi 2019-11-30 17:55:28 -08:00 committed by Linus Torvalds
parent f87bccde6a
commit cb16556d91
1 changed files with 4 additions and 5 deletions
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9
mm/vmscan.c
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@ -775,7 +775,7 @@ 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;
@ -823,8 +823,7 @@ typedef enum {
* 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
@ -860,7 +859,7 @@ 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)) {
@ -1394,7 +1393,7 @@ 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: