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 <vgu...@synopsys.com>
Cc: Ingo Molnar <mi...@redhat.com>
Cc: Peter Zijlstra <pet...@infradead.org>
Cc: Andrew Morton <a...@linux-foundation.org>
---
include/linux/sched.h | 9 ---------
1 file changed, 9 deletions(-)
diff --git a/include/linux/sched.h b/include/linux/sched.h
index 6682da3..78386c1 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -1046,15 +1046,6 @@ 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
--
1.8.1.2
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