linux/include
Peter Zijlstra 669c55e9f9 sched: Pre-compute cpumask_weight(sched_domain_span(sd))
Dave reported that his large SPARC machines spend lots of time in
hweight64(), try and optimize some of those needless cpumask_weight()
invocations (esp. with the large offstack cpumasks these are very
expensive indeed).

Reported-by: David Miller <davem@davemloft.net>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
LKML-Reference: <new-submission>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2010-04-23 11:02:02 +02:00
..
acpi acpi: Support IBM SMBus CMI devices 2010-03-24 14:38:37 +01:00
asm-generic dma-mapping: pci: move pci_set_dma_mask and pci_set_consistent_dma_mask to pci-dma-compat.h 2010-03-12 15:52:42 -08:00
crypto
drm Merge branch 'master' into export-slabh 2010-04-05 11:37:28 +09:00
keys
linux sched: Pre-compute cpumask_weight(sched_domain_span(sd)) 2010-04-23 11:02:02 +02:00
math-emu
media Merge branch 'for-next' into for-linus 2010-03-08 16:55:37 +01:00
mtd
net Merge branch 'master' of /home/davem/src/GIT/linux-2.6/ 2010-04-11 02:44:30 -07:00
pcmcia pcmcia: use dev_pm_ops for class pcmcia_socket_class 2010-03-24 11:00:11 +01:00
rdma Merge branch 'misc' into for-next 2010-03-01 23:52:31 -08:00
rxrpc
scsi include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
sound Merge branch 'fix/asoc' into for-linus 2010-04-07 09:54:41 +02:00
trace Merge branch 'for-linus' of git://git.kernel.dk/linux-2.6-block 2010-04-09 11:50:29 -07:00
video broadsheetfb: support storing waveform 2010-03-12 15:52:34 -08:00
xen include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
Kbuild