From 766f9164193f6dda1497bbf3861060198421fb92 Mon Sep 17 00:00:00 2001 From: Peter Zijlstra Date: Tue, 26 Oct 2010 14:22:45 -0700 Subject: [PATCH] kernel: remove PF_FLUSHER PF_FLUSHER is only ever set, not tested, remove it. Signed-off-by: Peter Zijlstra Cc: Jens Axboe Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- fs/fs-writeback.c | 2 +- include/linux/sched.h | 1 - mm/backing-dev.c | 2 +- 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(); /* -- 2.20.1