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>
This commit is contained in:
Rusty Russell
2009-01-01 10:12:29 +10:30
parent 41c7bb9588
commit 174596a0b9
5 changed files with 28 additions and 16 deletions

View File

@@ -172,7 +172,16 @@ static int __pdflush(struct pdflush_work *my_work)
static int pdflush(void *dummy)
{
struct pdflush_work my_work;
cpumask_t cpus_allowed;
cpumask_var_t cpus_allowed;
/*
* Since the caller doesn't even check kthread_run() worked, let's not
* freak out too much if this fails.
*/
if (!alloc_cpumask_var(&cpus_allowed, GFP_KERNEL)) {
printk(KERN_WARNING "pdflush failed to allocate cpumask\n");
return 0;
}
/*
* pdflush can spend a lot of time doing encryption via dm-crypt. We
@@ -187,8 +196,9 @@ static int pdflush(void *dummy)
* This is needed as pdflush's are dynamically created and destroyed.
* The boottime pdflush's are easily placed w/o these 2 lines.
*/
cpuset_cpus_allowed(current, &cpus_allowed);
set_cpus_allowed_ptr(current, &cpus_allowed);
cpuset_cpus_allowed(current, cpus_allowed);
set_cpus_allowed_ptr(current, cpus_allowed);
free_cpumask_var(cpus_allowed);
return __pdflush(&my_work);
}