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(parent: 91c234b) | patch
sched: speed up context-switches a bit
authorIngo Molnar <mingo@elte.hu>
Mon, 15 Oct 2007 15:00:18 +0000 (17:00 +0200)
committerIngo Molnar <mingo@elte.hu>
Mon, 15 Oct 2007 15:00:18 +0000 (17:00 +0200)
commite5f32a3856caabe745381279f7f32e3b581b59dc
tree5448c1116966ba96096915e9022241638e5ab7f4tree | snapshot (tar.gz zip)
parent91c234b4e3419c786cac2d5b7a7b96443e512e3acommit | diff
sched: speed up context-switches a bit

speed up context-switches a bit by not clearing p->exec_start.

(as a side-effect, this also makes p->exec_start a universal timestamp
available to cache-hot estimations.)

Signed-off-by: Ingo Molnar <mingo@elte.hu>
kernel/sched_fair.c diff | blob | blame | history