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authorPeter Zijlstra <a.p.zijlstra@chello.nl>2010-10-26 14:22:45 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2010-10-26 16:52:15 -0700
commit766f9164193f6dda1497bbf3861060198421fb92 (patch)
treea2fd9a8231d12b822721a4306b614dd0e2e0d9c0
parent4ce6494dbd8909718840bb88d5a699ef6ce5c212 (diff)
kernel: remove PF_FLUSHER
PF_FLUSHER is only ever set, not tested, remove it. Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Jens Axboe <axboe@kernel.dk> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
-rw-r--r--fs/fs-writeback.c2
-rw-r--r--include/linux/sched.h1
-rw-r--r--mm/backing-dev.c2
3 files changed, 2 insertions, 3 deletions
diff --git a/fs/fs-writeback.c b/fs/fs-writeback.c
index b5aae4bd0ac..9e46aec10d1 100644
--- a/fs/fs-writeback.c
+++ b/fs/fs-writeback.c
@@ -794,7 +794,7 @@ int bdi_writeback_thread(void *data)
struct backing_dev_info *bdi = wb->bdi;
long pages_written;
- current->flags |= PF_FLUSHER | PF_SWAPWRITE;
+ current->flags |= PF_SWAPWRITE;
set_freezable();
wb->last_active = jiffies;
diff --git a/include/linux/sched.h b/include/linux/sched.h
index 56154bbb8da..393ce94e54b 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -1706,7 +1706,6 @@ extern void thread_group_times(struct task_struct *p, cputime_t *ut, cputime_t *
#define PF_DUMPCORE 0x00000200 /* dumped core */
#define PF_SIGNALED 0x00000400 /* killed by a signal */
#define PF_MEMALLOC 0x00000800 /* Allocating memory */
-#define PF_FLUSHER 0x00001000 /* responsible for disk writeback */
#define PF_USED_MATH 0x00002000 /* if unset the fpu must be initialized before use */
#define PF_FREEZING 0x00004000 /* freeze in progress. do not account to load */
#define PF_NOFREEZE 0x00008000 /* this thread should not be frozen */
diff --git a/mm/backing-dev.c b/mm/backing-dev.c
index 5ad3c106606..f2eb27884ff 100644
--- a/mm/backing-dev.c
+++ b/mm/backing-dev.c
@@ -362,7 +362,7 @@ static int bdi_forker_thread(void *ptr)
{
struct bdi_writeback *me = ptr;
- current->flags |= PF_FLUSHER | PF_SWAPWRITE;
+ current->flags |= PF_SWAPWRITE;
set_freezable();
/*