TononixOS/ubports_kernel_google_msm
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[PATCH] Update cfq io scheduler to time sliced design

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This updates the CFQ io scheduler to the new time sliced design (cfq
v3).  It provides full process fairness, while giving excellent
aggregate system throughput even for many competing processes.  It
supports io priorities, either inherited from the cpu nice value or set
directly with the ioprio_get/set syscalls.  The latter closely mimic
set/getpriority.

This import is based on my latest from -mm.

Signed-off-by: Jens Axboe <axboe@suse.de>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Jens Axboe
2005-06-27 10:55:12 +02:00
committed by Linus Torvalds
parent 020f46a39e
commit 22e2c507c3
26 changed files with 1732 additions and 739 deletions
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4
include/asm-ppc/unistd.h
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@@ -277,8 +277,10 @@
#define __NR_request_key 270
#define __NR_keyctl 271
#define __NR_waitid 272
#define __NR_ioprio_set 273
#define __NR_ioprio_get 274
#define __NR_syscalls 273
#define __NR_syscalls 275
#define __NR(n) #n