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cpusets: replace zone allowed functions with node allowed

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The cpuset_zone_allowed() variants are actually only a function of the
zone's node.

Cc: Paul Menage <menage@google.com>
Acked-by: Christoph Lameter <cl@linux-foundation.org>
Cc: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: David Rientjes <rientjes@google.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
David Rientjes 2009-04-02 16:57:54 -07:00 • committed by Linus Torvalds
parent 7f81b1ae18
commit a1bc5a4eee
2 changed files with 52 additions and 40 deletions
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33
include/linux/cpuset.h
View file

@ -12,6 +12,7 @@
#include <linux/cpumask.h>
#include <linux/nodemask.h>
#include <linux/cgroup.h>
#include <linux/mm.h>
#ifdef CONFIG_CPUSETS
@ -29,19 +30,29 @@ void cpuset_init_current_mems_allowed(void);
void cpuset_update_task_memory_state(void);
int cpuset_nodemask_valid_mems_allowed(nodemask_t *nodemask);
extern int __cpuset_zone_allowed_softwall(struct zone *z, gfp_t gfp_mask);
extern int __cpuset_zone_allowed_hardwall(struct zone *z, gfp_t gfp_mask);
extern int __cpuset_node_allowed_softwall(int node, gfp_t gfp_mask);
extern int __cpuset_node_allowed_hardwall(int node, gfp_t gfp_mask);
static int inline cpuset_zone_allowed_softwall(struct zone *z, gfp_t gfp_mask)
static inline int cpuset_node_allowed_softwall(int node, gfp_t gfp_mask)
{
return number_of_cpusets <= 1 ||
__cpuset_zone_allowed_softwall(z, gfp_mask);
__cpuset_node_allowed_softwall(node, gfp_mask);
}
static int inline cpuset_zone_allowed_hardwall(struct zone *z, gfp_t gfp_mask)
static inline int cpuset_node_allowed_hardwall(int node, gfp_t gfp_mask)
{
return number_of_cpusets <= 1 ||
__cpuset_zone_allowed_hardwall(z, gfp_mask);
__cpuset_node_allowed_hardwall(node, gfp_mask);
}
static inline int cpuset_zone_allowed_softwall(struct zone *z, gfp_t gfp_mask)
{
return cpuset_node_allowed_softwall(zone_to_nid(z), gfp_mask);
}
static inline int cpuset_zone_allowed_hardwall(struct zone *z, gfp_t gfp_mask)
{
return cpuset_node_allowed_hardwall(zone_to_nid(z), gfp_mask);
}
extern int cpuset_mems_allowed_intersects(const struct task_struct *tsk1,
@ -112,6 +123,16 @@ static inline int cpuset_nodemask_valid_mems_allowed(nodemask_t *nodemask)
return 1;
}
static inline int cpuset_node_allowed_softwall(int node, gfp_t gfp_mask)
{
return 1;
}
static inline int cpuset_node_allowed_hardwall(int node, gfp_t gfp_mask)
{
return 1;
}
static inline int cpuset_zone_allowed_softwall(struct zone *z, gfp_t gfp_mask)
{
return 1;