lk/linux-kernel-test
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

[PATCH] time_interpolator: add __read_mostly

Browse Source 
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: Christoph Lameter <clameter@sgi.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Christoph Lameter
2006-03-16 23:04:00 -08:00
committed by Linus Torvalds
parent 90036ee593
commit 67890d7084
1 changed files with 2 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
kernel/timer.c
View File

@@ -1354,8 +1354,8 @@ void __init init_timers(void)
#ifdef CONFIG_TIME_INTERPOLATION #ifdef CONFIG_TIME_INTERPOLATION
struct time_interpolator *time_interpolator; struct time_interpolator *time_interpolator __read_mostly;
static struct time_interpolator *time_interpolator_list; static struct time_interpolator *time_interpolator_list __read_mostly;
static DEFINE_SPINLOCK(time_interpolator_lock); static DEFINE_SPINLOCK(time_interpolator_lock);
static inline u64 time_interpolator_get_cycles(unsigned int src) static inline u64 time_interpolator_get_cycles(unsigned int src)