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sched: loadavg: consolidate LOAD_INT, LOAD_FRAC, CALC_LOAD

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There are several definitions of those functions/macros in places that
mess with fixed-point load averages.  Provide an official version.

[[email protected]: fix missed conversion in block/blk-iolatency.c]
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Johannes Weiner <[email protected]>
Acked-by: Peter Zijlstra (Intel) <[email protected]>
Tested-by: Suren Baghdasaryan <[email protected]>
Tested-by: Daniel Drake <[email protected]>
Cc: Christopher Lameter <[email protected]>
Cc: Ingo Molnar <[email protected]>
Cc: Johannes Weiner <[email protected]>
Cc: Mike Galbraith <[email protected]>
Cc: Peter Enderborg <[email protected]>
Cc: Randy Dunlap <[email protected]>
Cc: Shakeel Butt <[email protected]>
Cc: Tejun Heo <[email protected]>
Cc: Vinayak Menon <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Johannes Weiner 2018-10-26 15:06:11 -07:00 • committed by Linus Torvalds
commit 8508cf3ffa
9 changed files with 27 additions and 46 deletions
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4
drivers/cpuidle/governors/menu.c
View file

@ -130,10 +130,6 @@ struct menu_device {
int interval_ptr;
};
#define LOAD_INT(x) ((x) >> FSHIFT)
#define LOAD_FRAC(x) LOAD_INT(((x) & (FIXED_1-1)) * 100)
static inline int get_loadavg(unsigned long load)
{
return LOAD_INT(load) * 10 + LOAD_FRAC(load) / 10;