mm/cma_debug.c: remove static scoped cma_debugfs_root (5a7f1b2f) · Commits · 戴 / test

mm/cma_debug.c

+4 −5

Original line number	Diff line number	Diff line
		@@ -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);
		@@ -188,12 +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);

		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;
		}