sched: group scheduler related patches (V2)

Srivatsa Vaddagiri lkml 1 version Nov 19, 2007 New

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- Introduced a task_group_mutex to serialize add/removal of task groups (as pointed by Dipankar)

#	Subject and files	Size	Replies	Applied
1/2	sched: Fix minor bugs and coding style issues`kernel/sched.c` `kernel/sched_fair.c`	+35 ~~-25~~	0 replies
2/2	sched: Improve fairness of cpu allocation for task groups`include/linux/sched.h` `kernel/sched.c` `kernel/sched_fair.c` +2 more	+342 ~~-55~~	0 replies

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Cover letter [PATCH 0/2] sched: group scheduler related patches (V2)

Hi Ingo,
Here's V2 of the two patches related to group cpu scheduling I
sent a while ago:

Patch 1/2 -> Fixes minor bugs and coding style issues Patch 2/2 -> Improves group fairness on SMP systems.

Changes since V1:
- Introduced a task_group_mutex to serialize add/removal of task groups (as pointed by Dipankar)

Both the patches should not have any functional/runtime effect to the scheduler for !CONFIG_FAIR_GROUP_SCHED case.

This is also probably one of the last big changes related to group scheduler that I had on my plate. Pls apply if there is no objection from anyone.

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Regards,
vatsa