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Commit 67890d70 authored by Christoph Lameter's avatar Christoph Lameter Committed by Linus Torvalds
Browse files

[PATCH] time_interpolator: add __read_mostly 



The pointer to the current time interpolator and the current list of time
interpolators are typically only changed during bootup.  Adding
__read_mostly takes them away from possibly hot cachelines.

Signed-off-by: default avatarChristoph Lameter <clameter@sgi.com>
Signed-off-by: default avatarAndrew Morton <akpm@osdl.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
parent 90036ee5

kernel/timer.c

+2 −2
Original line number Diff line number Diff line
@@ -1354,8 +1354,8 @@ void __init init_timers(void) 


#ifdef CONFIG_TIME_INTERPOLATION



struct time_interpolator *time_interpolator;

static struct time_interpolator *time_interpolator_list;

struct time_interpolator *time_interpolator __read_mostly;

static struct time_interpolator *time_interpolator_list __read_mostly;

static DEFINE_SPINLOCK(time_interpolator_lock);



static inline u64 time_interpolator_get_cycles(unsigned int src)