cpumask: convert mm/

Impact: Use new API

Convert kernel mm functions to use struct cpumask.

We skip include/linux/percpu.h and mm/allocpercpu.c, which are in flux.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Signed-off-by: Mike Travis <travis@sgi.com>
Reviewed-by: Christoph Lameter <cl@linux-foundation.org>

1 files changed, 11 insertions, 9 deletions

diff --git a/mm/slub.c b/mm/slub.c
index 0d861c3154b6..f0e2892fe403 100644
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -1970,7 +1970,7 @@ static DEFINE_PER_CPU(struct kmem_cache_cpu,
                                 kmem_cache_cpu)[NR_KMEM_CACHE_CPU];
 
 static DEFINE_PER_CPU(struct kmem_cache_cpu *, kmem_cache_cpu_free);
-static cpumask_t kmem_cach_cpu_free_init_once = CPU_MASK_NONE;
+static DECLARE_BITMAP(kmem_cach_cpu_free_init_once, CONFIG_NR_CPUS);
 
 static struct kmem_cache_cpu *alloc_kmem_cache_cpu(struct kmem_cache *s,
                                                         int cpu, gfp_t flags)
@@ -2045,13 +2045,13 @@ static void init_alloc_cpu_cpu(int cpu)
 {
         int i;
 
-        if (cpu_isset(cpu, kmem_cach_cpu_free_init_once))
+        if (cpumask_test_cpu(cpu, to_cpumask(kmem_cach_cpu_free_init_once)))
                 return;
 
         for (i = NR_KMEM_CACHE_CPU - 1; i >= 0; i--)
                 free_kmem_cache_cpu(&per_cpu(kmem_cache_cpu, cpu)[i], cpu);
 
-        cpu_set(cpu, kmem_cach_cpu_free_init_once);
+        cpumask_set_cpu(cpu, to_cpumask(kmem_cach_cpu_free_init_once));
 }
 
 static void __init init_alloc_cpu(void)
@@ -3451,7 +3451,7 @@ struct location {
         long max_time;
         long min_pid;
         long max_pid;
-        cpumask_t cpus;
+        DECLARE_BITMAP(cpus, NR_CPUS);
         nodemask_t nodes;
 };
 
@@ -3526,7 +3526,8 @@ static int add_location(struct loc_track *t, struct kmem_cache *s,
                                 if (track->pid > l->max_pid)
                                         l->max_pid = track->pid;
 
-                                cpu_set(track->cpu, l->cpus);
+                                cpumask_set_cpu(track->cpu,
+                                                to_cpumask(l->cpus));
                         }
                         node_set(page_to_nid(virt_to_page(track)), l->nodes);
                         return 1;
@@ -3556,8 +3557,8 @@ static int add_location(struct loc_track *t, struct kmem_cache *s,
         l->max_time = age;
         l->min_pid = track->pid;
         l->max_pid = track->pid;
-        cpus_clear(l->cpus);
-        cpu_set(track->cpu, l->cpus);
+        cpumask_clear(to_cpumask(l->cpus));
+        cpumask_set_cpu(track->cpu, to_cpumask(l->cpus));
         nodes_clear(l->nodes);
         node_set(page_to_nid(virt_to_page(track)), l->nodes);
         return 1;
@@ -3638,11 +3639,12 @@ static int list_locations(struct kmem_cache *s, char *buf,
                         len += sprintf(buf + len, " pid=%ld",
                                 l->min_pid);
 
-                if (num_online_cpus() > 1 && !cpus_empty(l->cpus) &&
+                if (num_online_cpus() > 1 &&
+                                !cpumask_empty(to_cpumask(l->cpus)) &&
                                 len < PAGE_SIZE - 60) {
                         len += sprintf(buf + len, " cpus=");
                         len += cpulist_scnprintf(buf + len, PAGE_SIZE - len - 50,
-                                        &l->cpus);
+                                                 to_cpumask(l->cpus));
                 }
 
                 if (num_online_nodes() > 1 && !nodes_empty(l->nodes) &&