percpu-refcount: add @gfp to percpu_ref_init()

Percpu allocator now supports allocation mask.  Add @gfp to
percpu_ref_init() so that !GFP_KERNEL allocation masks can be used
with percpu_refs too.

This patch doesn't make any functional difference.

v2: blk-mq conversion was missing.  Updated.

Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: Kent Overstreet <koverstreet@google.com>
Cc: Benjamin LaHaise <bcrl@kvack.org>
Cc: Li Zefan <lizefan@huawei.com>
Cc: Nicholas A. Bellinger <nab@linux-iscsi.org>
Cc: Jens Axboe <axboe@kernel.dk>

1 files changed, 3 insertions, 3 deletions

diff --git a/kernel/cgroup.c b/kernel/cgroup.c
index 7dc8788cfd52..589b4d89a0a5 100644
--- a/kernel/cgroup.c
+++ b/kernel/cgroup.c
@@ -1628,7 +1628,7 @@ static int cgroup_setup_root(struct cgroup_root *root, unsigned int ss_mask)
                 goto out;
         root_cgrp->id = ret;
 
-        ret = percpu_ref_init(&root_cgrp->self.refcnt, css_release);
+        ret = percpu_ref_init(&root_cgrp->self.refcnt, css_release, GFP_KERNEL);
         if (ret)
                 goto out;
 
@@ -4487,7 +4487,7 @@ static int create_css(struct cgroup *cgrp, struct cgroup_subsys *ss,
 
         init_and_link_css(css, ss, cgrp);
 
-        err = percpu_ref_init(&css->refcnt, css_release);
+        err = percpu_ref_init(&css->refcnt, css_release, GFP_KERNEL);
         if (err)
                 goto err_free_css;
 
@@ -4555,7 +4555,7 @@ static int cgroup_mkdir(struct kernfs_node *parent_kn, const char *name,
                 goto out_unlock;
         }
 
-        ret = percpu_ref_init(&cgrp->self.refcnt, css_release);
+        ret = percpu_ref_init(&cgrp->self.refcnt, css_release, GFP_KERNEL);
         if (ret)
                 goto out_free_cgrp;