diff options
| author | Nick Piggin <nickpiggin@yahoo.com.au> | 2004-10-18 09:08:34 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@ppc970.osdl.org> | 2004-10-18 09:08:34 -0700 |
| commit | d13d28de21d913aacd3c91e76e307fa2eb7835d8 (patch) | |
| tree | cd2839bf45795524088b38888039a1f67ce37b54 /include | |
| parent | e4dbd222c7ae76cfd0cd68196fa9574322c3c3bf (diff) | |
[PATCH] sched: add CPU_DOWN_PREPARE notifier
Add a CPU_DOWN_PREPARE hotplug CPU notifier. This is needed so we can dettach
all sched-domains before a CPU goes down, thus we can build domains from
online cpumasks, and not have to check for the possibility of a CPU coming up
or going down.
Signed-off-by: Nick Piggin <nickpiggin@yahoo.com.au>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/notifier.h | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/include/linux/notifier.h b/include/linux/notifier.h index 900d43e88005..00c996f08851 100644 --- a/include/linux/notifier.h +++ b/include/linux/notifier.h @@ -64,10 +64,11 @@ extern int notifier_call_chain(struct notifier_block **n, unsigned long val, voi #define NETLINK_URELEASE 0x0001 /* Unicast netlink socket released */ -#define CPU_ONLINE 0x0002 /* CPU (unsigned)v is up */ -#define CPU_UP_PREPARE 0x0003 /* CPU (unsigned)v coming up */ -#define CPU_UP_CANCELED 0x0004 /* CPU (unsigned)v NOT coming up */ -#define CPU_DEAD 0x0006 /* CPU (unsigned)v dead */ +#define CPU_ONLINE 0x0002 /* CPU (unsigned)v is up */ +#define CPU_UP_PREPARE 0x0003 /* CPU (unsigned)v coming up */ +#define CPU_UP_CANCELED 0x0004 /* CPU (unsigned)v NOT coming up */ +#define CPU_DOWN_PREPARE 0x0005 /* CPU (unsigned)v going down */ +#define CPU_DEAD 0x0006 /* CPU (unsigned)v dead */ #endif /* __KERNEL__ */ #endif /* _LINUX_NOTIFIER_H */ |