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)
diff --git a/include/linux/cpumask.h b/include/linux/cpumask.h
index d4bf526..b5ad19a 100644
--- a/include/linux/cpumask.h
+++ b/include/linux/cpumask.h
@@ -1025,6 +1025,7 @@
#ifdef CONFIG_CPUMASK_OFFSTACK
typedef struct cpumask *cpumask_var_t;
+bool alloc_cpumask_var_node(cpumask_var_t *mask, gfp_t flags, int node);
bool alloc_cpumask_var(cpumask_var_t *mask, gfp_t flags);
void alloc_bootmem_cpumask_var(cpumask_var_t *mask);
void free_cpumask_var(cpumask_var_t mask);
@@ -1038,6 +1039,12 @@
return true;
}
+static inline bool alloc_cpumask_var_node(cpumask_var_t *mask, gfp_t flags,
+ int node)
+{
+ return true;
+}
+
static inline void alloc_bootmem_cpumask_var(cpumask_var_t *mask)
{
}