diff options
Diffstat (limited to 'mm/cma_debug.c')
| -rw-r--r-- | mm/cma_debug.c | 11 |
1 files changed, 4 insertions, 7 deletions
diff --git a/mm/cma_debug.c b/mm/cma_debug.c index ad6723e9d110a..8d7b2fd522259 100644 --- a/mm/cma_debug.c +++ b/mm/cma_debug.c @@ -21,8 +21,6 @@ struct cma_mem { unsigned long n; }; -static struct dentry *cma_debugfs_root; - static int cma_debugfs_get(void *data, u64 *val) { unsigned long *p = data; @@ -162,7 +160,7 @@ static int cma_alloc_write(void *data, u64 val) } DEFINE_SIMPLE_ATTRIBUTE(cma_alloc_fops, NULL, cma_alloc_write, "%llu\n"); -static void cma_debugfs_add_one(struct cma *cma, int idx) +static void cma_debugfs_add_one(struct cma *cma, struct dentry *root_dentry) { struct dentry *tmp; char name[16]; @@ -170,7 +168,7 @@ static void cma_debugfs_add_one(struct cma *cma, int idx) scnprintf(name, sizeof(name), "cma-%s", cma->name); - tmp = debugfs_create_dir(name, cma_debugfs_root); + tmp = debugfs_create_dir(name, root_dentry); debugfs_create_file("alloc", 0200, tmp, cma, &cma_alloc_fops); debugfs_create_file("free", 0200, tmp, cma, &cma_free_fops); @@ -188,14 +186,13 @@ static void cma_debugfs_add_one(struct cma *cma, int idx) static int __init cma_debugfs_init(void) { + struct dentry *cma_debugfs_root; int i; cma_debugfs_root = debugfs_create_dir("cma", NULL); - if (!cma_debugfs_root) - return -ENOMEM; for (i = 0; i < cma_area_count; i++) - cma_debugfs_add_one(&cma_areas[i], i); + cma_debugfs_add_one(&cma_areas[i], cma_debugfs_root); return 0; } |