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timers: Reduce the CPU index space to 256k

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We want to store the array index in the flags space. 256k CPUs should be
enough for a while.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Arjan van de Ven <arjan@infradead.org>
Cc: Chris Mason <clm@fb.com>
Cc: George Spelvin <linux@sciencehorizons.net>
Cc: Josh Triplett <josh@joshtriplett.org>
Cc: Len Brown <lenb@kernel.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Paul McKenney <paulmck@linux.vnet.ibm.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Rik van Riel <riel@redhat.com>
Cc: rt@linutronix.de
Link: http://lkml.kernel.org/r/20160704094342.030144293@linutronix.de
Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Thomas Gleixner 2016-07-04 09:50:29 +00:00 committed by Ingo Molnar
parent 494af3ed78
commit b0d6e2dcb2
1 changed files with 5 additions and 5 deletions
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10
include/linux/timer.h
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@ -58,12 +58,12 @@ struct timer_list {
* workqueue locking issues. It's not meant for executing random crap * workqueue locking issues. It's not meant for executing random crap
* with interrupts disabled. Abuse is monitored! * with interrupts disabled. Abuse is monitored!
*/ */
#define TIMER_CPUMASK 0x0007FFFF #define TIMER_CPUMASK 0x0003FFFF
#define TIMER_MIGRATING 0x00080000 #define TIMER_MIGRATING 0x00040000
#define TIMER_BASEMASK (TIMER_CPUMASK | TIMER_MIGRATING) #define TIMER_BASEMASK (TIMER_CPUMASK | TIMER_MIGRATING)
#define TIMER_DEFERRABLE 0x00100000 #define TIMER_DEFERRABLE 0x00080000
#define TIMER_PINNED 0x00200000 #define TIMER_PINNED 0x00100000
#define TIMER_IRQSAFE 0x00400000 #define TIMER_IRQSAFE 0x00200000
#define __TIMER_INITIALIZER(_function, _expires, _data, _flags) { \ #define __TIMER_INITIALIZER(_function, _expires, _data, _flags) { \
.entry = { .next = TIMER_ENTRY_STATIC }, \ .entry = { .next = TIMER_ENTRY_STATIC }, \