path: root/mm
diff options
authorKees Cook <keescook@chromium.org>2017-11-15 17:37:04 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2017-11-15 18:21:05 -0800
commit9823e51bfd47e1d556b47b0061baeb2f05497bef (patch)
tree2577db215ce303a31cacfbc541fcb6989eedeb9e /mm
parentb6b18aa87b5d61fcca8b5b35372d705e915eb374 (diff)
mm/page-writeback.c: convert timers to use timer_setup()
In preparation for unconditionally passing the struct timer_list pointer to all timer callbacks, switch to using the new timer_setup() and from_timer() to pass the timer pointer explicitly. Link: http://lkml.kernel.org/r/20171016225913.GA99214@beast Signed-off-by: Kees Cook <keescook@chromium.org> Reviewed-by: Jan Kara <jack@suse.cz> Cc: Johannes Weiner <hannes@cmpxchg.org> Cc: Vladimir Davydov <vdavydov.dev@gmail.com> Cc: Matthew Wilcox <mawilcox@microsoft.com> Cc: Jeff Layton <jlayton@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm')
1 files changed, 3 insertions, 4 deletions
diff --git a/mm/page-writeback.c b/mm/page-writeback.c
index 231651a1486d..83c746577aea 100644
--- a/mm/page-writeback.c
+++ b/mm/page-writeback.c
@@ -628,9 +628,9 @@ EXPORT_SYMBOL_GPL(wb_writeout_inc);
* On idle system, we can be called long after we scheduled because we use
* deferred timers so count with missed periods.
-static void writeout_period(unsigned long t)
+static void writeout_period(struct timer_list *t)
- struct wb_domain *dom = (void *)t;
+ struct wb_domain *dom = from_timer(dom, t, period_timer);
int miss_periods = (jiffies - dom->period_time) /
@@ -653,8 +653,7 @@ int wb_domain_init(struct wb_domain *dom, gfp_t gfp)
- setup_deferrable_timer(&dom->period_timer, writeout_period,
- (unsigned long)dom);
+ timer_setup(&dom->period_timer, writeout_period, TIMER_DEFERRABLE);
dom->dirty_limit_tstamp = jiffies;