diff options
| author | Mike Travis <travis@sgi.com> | 2008-12-19 16:56:37 +1030 |
|---|---|---|
| committer | Rusty Russell <rusty@rustcorp.com.au> | 2008-12-19 16:56:37 +1030 |
| commit | 7b4967c532045a1983d6d4af5c69cc7c5109f62b (patch) | |
| tree | 50f385985ed028b5316c1aad4b70ad08bd932e81 /lib/cpumask.c | |
| parent | 7be7585393d311866653564fbcd10a3232773c0b (diff) | |
| download | lwn-7b4967c532045a1983d6d4af5c69cc7c5109f62b.tar.gz lwn-7b4967c532045a1983d6d4af5c69cc7c5109f62b.zip | |
cpumask: Add alloc_cpumask_var_node()
Impact: New API
This will be needed in x86 code to allocate the domain and old_domain
cpumasks on the same node as where the containing irq_cfg struct is
allocated.
(Also fixes double-dump_stack on rare CONFIG_DEBUG_PER_CPU_MAPS case)
Signed-off-by: Mike Travis <travis@sgi.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> (re-impl alloc_cpumask_var)
Diffstat (limited to 'lib/cpumask.c')
| -rw-r--r-- | lib/cpumask.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/lib/cpumask.c b/lib/cpumask.c index 8d03f22c6ced..3f258f58c85b 100644 --- a/lib/cpumask.c +++ b/lib/cpumask.c @@ -76,15 +76,14 @@ int cpumask_any_but(const struct cpumask *mask, unsigned int cpu) /* These are not inline because of header tangles. */ #ifdef CONFIG_CPUMASK_OFFSTACK -bool alloc_cpumask_var(cpumask_var_t *mask, gfp_t flags) +bool alloc_cpumask_var_node(cpumask_var_t *mask, gfp_t flags, int node) { if (likely(slab_is_available())) - *mask = kmalloc(cpumask_size(), flags); + *mask = kmalloc_node(cpumask_size(), flags, node); else { #ifdef CONFIG_DEBUG_PER_CPU_MAPS printk(KERN_ERR "=> alloc_cpumask_var: kmalloc not available!\n"); - dump_stack(); #endif *mask = NULL; } @@ -96,6 +95,12 @@ bool alloc_cpumask_var(cpumask_var_t *mask, gfp_t flags) #endif return *mask != NULL; } +EXPORT_SYMBOL(alloc_cpumask_var_node); + +bool alloc_cpumask_var(cpumask_var_t *mask, gfp_t flags) +{ + return alloc_cpumask_var_node(mask, flags, numa_node_id()); +} EXPORT_SYMBOL(alloc_cpumask_var); void __init alloc_bootmem_cpumask_var(cpumask_var_t *mask) |