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| author | Yinghai Lu <yinghai@kernel.org> | 2009-04-27 18:02:23 -0700 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-04-28 12:21:18 +0200 |
| commit | d047f53a2ecce37e3bdf79eac5a326fbaadb3628 (patch) | |
| tree | 1097e49b711d07c77071c93d2c3a5f7f63d5cf05 /include/linux/irq.h | |
| parent | 024154cfdd802654cb236a18c78b6e37351e2c49 (diff) | |
| download | blackbird-obmc-linux-d047f53a2ecce37e3bdf79eac5a326fbaadb3628.tar.gz blackbird-obmc-linux-d047f53a2ecce37e3bdf79eac5a326fbaadb3628.zip | |
x86/irq: change MSI irq_desc to be more numa aware
Try to get irq_desc on the home node in create_irq_nr().
v2: don't check if we can move it when sparse_irq is not used
v3: use move_irq_des, if that node is not what we want
[ Impact: optimization, make MSI IRQ descriptors more NUMA aware ]
Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Suresh Siddha <suresh.b.siddha@intel.com>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>
Cc: Rusty Russell <rusty@rustcorp.com.au>
LKML-Reference: <49F6559F.7070005@kernel.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'include/linux/irq.h')
| -rw-r--r-- | include/linux/irq.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/include/linux/irq.h b/include/linux/irq.h index a09baf8f9d99..4b95ddb5304b 100644 --- a/include/linux/irq.h +++ b/include/linux/irq.h @@ -376,7 +376,7 @@ extern void set_irq_noprobe(unsigned int irq); extern void set_irq_probe(unsigned int irq); /* Handle dynamic irq creation and destruction */ -extern unsigned int create_irq_nr(unsigned int irq_want); +extern unsigned int create_irq_nr(unsigned int irq_want, int node); extern int create_irq(void); extern void destroy_irq(unsigned int irq); |
