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Paul Jackson c61afb181c [PATCH] cpuset memory spread slab cache optimizations ... The hooks in the slab cache allocator code path for support of NUMA mempolicies and cpuset memory spreading are in an important code path. Many systems will use neither feature. This patch optimizes those hooks down to a single check of some bits in the current tasks task_struct flags. For non NUMA systems, this hook and related code is already ifdef'd out. The optimization is done by using another task flag, set if the task is using a non-default NUMA mempolicy. Taking this flag bit along with the PF_SPREAD_PAGE and PF_SPREAD_SLAB flag bits added earlier in this 'cpuset memory spreading' patch set, one can check for the combination of any of these special case memory placement mechanisms with a single test of the current tasks task_struct flags. This patch also tightens up the code, to save a few bytes of kernel text space, and moves some of it out of line. Due to the nested inlines called from multiple places, we were ending up with three copies of this code, which once we get off the main code path (for local node allocation) seems a bit wasteful of instruction memory. Signed-off-by: Paul Jackson <pj@sgi.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>		19 years ago
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irq	…
power	…
.gitignore	…
Kconfig.hz	…
Kconfig.preempt	…
Makefile	[PATCH] relay: migrate from relayfs to a generic relay API	19 years ago
acct.c	…
audit.c	…
auditsc.c	…
capability.c	…
compat.c	…
configs.c	…
cpu.c	…
cpuset.c	[PATCH] cpuset memory spread basic implementation	19 years ago
dma.c	…
exec_domain.c	…
exit.c	…
extable.c	…
fork.c	[PATCH] cpuset memory spread slab cache optimizations	19 years ago
futex.c	…
hrtimer.c	…
intermodule.c	…
itimer.c	…
kallsyms.c	…
kexec.c	…
kfifo.c	…
kmod.c	…
kprobes.c	[PATCH] sem2mutex: kprobes	19 years ago
ksysfs.c	…
kthread.c	…
module.c	[PATCH] kernel/module.c Semaphore to Mutex Conversion for module_mutex	19 years ago
mutex-debug.c	…
mutex-debug.h	…
mutex.c	…
mutex.h	…
panic.c	[PATCH] pause_on_oops command line option	19 years ago
params.c	…
pid.c	…
posix-cpu-timers.c	…
posix-timers.c	…
printk.c	…
profile.c	…
ptrace.c	…
rcupdate.c	[PATCH] rcu_process_callbacks: don't cli() while testing ->nxtlist	19 years ago
rcutorture.c	[PATCH] rcutorture: tag success/failure line with module parameters	19 years ago
relay.c	[PATCH] relay: consolidate sendfile() and read() code	19 years ago
resource.c	…
sched.c	[PATCH] make bug messages more consistent	19 years ago
seccomp.c	…
signal.c	[PATCH] sigprocmask: kill unneeded temp var	19 years ago
softirq.c	…
softlockup.c	…
spinlock.c	[PATCH] BUILD_LOCK_OPS: cleanup preempt_disable() usage	19 years ago
stop_machine.c	…
sys.c	…
sys_ni.c	…
sysctl.c	[PATCH] Range checking in do_proc_dointvec_(userhz_)jiffies_conv	19 years ago
time.c	…
timer.c	[PATCH] tvec_bases too large for per-cpu data	19 years ago
uid16.c	…
user.c	[PATCH] free_uid() locking improvement	19 years ago
wait.c	…
workqueue.c	…