diff options
| author | Vineet Gupta <Vineet.Gupta1@synopsys.com> | 2013-11-12 15:08:47 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2013-11-13 12:09:13 +0900 |
| commit | 27f69e68a5e534412faebc53a4e04acc9ce7fd7e (patch) | |
| tree | cbf3e5e7815ff57aca851e927628717a97ad0fec | |
| parent | c375f15a434db1867cb004bafba92aba739e4e39 (diff) | |
sched: remove ARCH specific fpu_counter from task_struct
fpu_counter in task_struct was used only by sh/x86. Both of these now
carry it in ARCH specific thread_struct, hence this can now be removed
from generic task_struct, shrinking it slightly for other arches.
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Paul Mundt <paul.mundt@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| -rw-r--r-- | include/linux/sched.h | 9 |
1 files changed, 0 insertions, 9 deletions
diff --git a/include/linux/sched.h b/include/linux/sched.h index 045b0d22784..5e226fe3e51 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -1062,15 +1062,6 @@ struct task_struct { struct hlist_head preempt_notifiers; #endif - /* - * fpu_counter contains the number of consecutive context switches - * that the FPU is used. If this is over a threshold, the lazy fpu - * saving becomes unlazy to save the trap. This is an unsigned char - * so that after 256 times the counter wraps and the behavior turns - * lazy again; this to deal with bursty apps that only use FPU for - * a short time - */ - unsigned char fpu_counter; #ifdef CONFIG_BLK_DEV_IO_TRACE unsigned int btrace_seq; #endif |