tools: Add kmem_cache_alloc_lru()

Turn kmem_cache_alloc() into a wrapper around kmem_cache_alloc_lru().

Fixes: 9bbdc0f32409 ("xarray: use kmem_cache_alloc_lru to allocate xa_node")
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reported-by: Liam R. Howlett <Liam.Howlett@oracle.com>
Reported-by: Li Wang <liwang@redhat.com>

diff --git a/tools/include/linux/slab.h b/tools/include/linux/slab.h
index f41d8a0..0616409 100644 (file)
--- a/tools/include/linux/slab.h
+++ b/tools/include/linux/slab.h
@@ -28,7 +28,13 @@ static inline void *kzalloc(size_t size, gfp_t gfp)
        return kmalloc(size, gfp | __GFP_ZERO);
 }
 
-void *kmem_cache_alloc(struct kmem_cache *cachep, int flags);
+struct list_lru;
+
+void *kmem_cache_alloc_lru(struct kmem_cache *cachep, struct list_lru *, int flags);
+static inline void *kmem_cache_alloc(struct kmem_cache *cachep, int flags)
+{
+       return kmem_cache_alloc_lru(cachep, NULL, flags);
+}
 void kmem_cache_free(struct kmem_cache *cachep, void *objp);
 
 struct kmem_cache *kmem_cache_create(const char *name, unsigned int size,

diff --git a/tools/testing/radix-tree/linux.c b/tools/testing/radix-tree/linux.c
index 81539f5..d5c1bcb 100644 (file)
--- a/tools/testing/radix-tree/linux.c
+++ b/tools/testing/radix-tree/linux.c
@@ -25,7 +25,8 @@ struct kmem_cache {
        void (*ctor)(void *);
 };
 
-void *kmem_cache_alloc(struct kmem_cache *cachep, int gfp)
+void *kmem_cache_alloc_lru(struct kmem_cache *cachep, struct list_lru *lru,
+               int gfp)
 {
        void *p;