The patch titled
Subject: mm/vmscan.c: remove unused scan_control parameter from pageout()
has been added to the -mm tree. Its filename is
mm-vmscan-remove-unused-scan_control-parameter-from-pageout.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/mm-vmscan-remove-unused-scan_control-parameter-from-pageout.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/mm-vmscan-remove-unused-scan_control-parameter-from-pageout.patch
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------------------------------------------------------
From: Yang Shi <yang.shi@xxxxxxxxxxxxxxxxx>
Subject: 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@xxxxxxxxxxxxxxxxx
Signed-off-by: Yang Shi <yang.shi@xxxxxxxxxxxxxxxxx>
Acked-by: David Rientjes <rientjes@xxxxxxxxxx>
Acked-by: Michal Hocko <mhocko@xxxxxxxx>
Cc: Mel Gorman <mgorman@xxxxxxxxxxxxxxxxxxx>
Cc: Johannes Weiner <hannes@xxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/vmscan.c | 9 ++++-----
1 file changed, 4 insertions(+), 5 deletions(-)
--- a/mm/vmscan.c~mm-vmscan-remove-unused-scan_control-parameter-from-pageout
+++ a/mm/vmscan.c
@@ -774,7 +774,7 @@ static inline int is_page_cache_freeable
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 @@ 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
@@ -859,7 +858,7 @@ static pageout_t pageout(struct page *pa
}
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(st
* 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:
_
Patches currently in -mm which might be from yang.shi@xxxxxxxxxxxxxxxxx are
mm-vmscan-remove-unused-scan_control-parameter-from-pageout.patch
