mm: remove unused argument from create_cache()

That root_cache argument is unused so remove it.

Link: https://lore.kernel.org/r/20240828-work-kmem_cache-rcu-v3-1-5460bc1f09f6@kernel.org
Acked-by: Mike Rapoport (Microsoft) <rppt@kernel.org>
Reviewed-by: Vlastimil Babka <vbabka@suse.cz>
Signed-off-by: Christian Brauner <brauner@kernel.org>

diff --git a/mm/slab_common.c b/mm/slab_common.c
index 40b582a014b8f2f9a27027c1345972c699205e2e..c8dd7e08c5f65b60862418cee9b0d4daa722a653 100644 (file)
--- a/mm/slab_common.c
+++ b/mm/slab_common.c
@@ -204,8 +204,7 @@ struct kmem_cache *find_mergeable(unsigned int size, unsigned int align,
 static struct kmem_cache *create_cache(const char *name,
                unsigned int object_size, unsigned int align,
                slab_flags_t flags, unsigned int useroffset,
-               unsigned int usersize, void (*ctor)(void *),
-               struct kmem_cache *root_cache)
+               unsigned int usersize, void (*ctor)(void *))
 {
        struct kmem_cache *s;
        int err;
@@ -334,7 +333,7 @@ kmem_cache_create_usercopy(const char *name,
 
        s = create_cache(cache_name, size,
                         calculate_alignment(flags, align, size),
-                        flags, useroffset, usersize, ctor, NULL);
+                        flags, useroffset, usersize, ctor);
        if (IS_ERR(s)) {
                err = PTR_ERR(s);
                kfree_const(cache_name);