linux-kernel - [PATCH 23/94] radix tree test suite: Add support for kmem_cache_free

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Date:   Wed, 28 Apr 2021 15:35:55 +0000
From:   Liam Howlett <liam.howlett@...cle.com>
To:     "maple-tree@...ts.infradead.org" <maple-tree@...ts.infradead.org>,
        "linux-mm@...ck.org" <linux-mm@...ck.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Andrew Morton <akpm@...ux-foundation.org>
CC:     Song Liu <songliubraving@...com>,
        Davidlohr Bueso <dave@...olabs.net>,
        "Paul E . McKenney" <paulmck@...nel.org>,
        Matthew Wilcox <willy@...radead.org>,
        Laurent Dufour <ldufour@...ux.ibm.com>,
        David Rientjes <rientjes@...gle.com>,
        Axel Rasmussen <axelrasmussen@...gle.com>,
        Suren Baghdasaryan <surenb@...gle.com>,
        Vlastimil Babka <vbabka@...e.cz>,
        Rik van Riel <riel@...riel.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Michel Lespinasse <walken.cr@...il.com>,
        Liam Howlett <liam.howlett@...cle.com>
Subject: [PATCH 23/94] radix tree test suite: Add support for
 kmem_cache_free_bulk

Signed-off-by: Liam R. Howlett <Liam.Howlett@...cle.com>
---
 tools/testing/radix-tree/linux.c      | 9 +++++++++
 tools/testing/radix-tree/linux/slab.h | 1 +
 2 files changed, 10 insertions(+)

diff --git a/tools/testing/radix-tree/linux.c b/tools/testing/radix-tree/linux.c
index 93f7de81fbe8..380bbc0a48d6 100644
--- a/tools/testing/radix-tree/linux.c
+++ b/tools/testing/radix-tree/linux.c
@@ -91,6 +91,15 @@ void kmem_cache_free(struct kmem_cache *cachep, void *objp)
 	pthread_mutex_unlock(&cachep->lock);
 }
 
+void kmem_cache_free_bulk(struct kmem_cache *cachep, size_t size, void **list)
+{
+	if (kmalloc_verbose)
+		printk("Bulk free %p[0-%lu]\n", list, size - 1);
+
+	for (int i = 0; i < size; i++)
+		kmem_cache_free(cachep, list[i]);
+}
+
 void *kmalloc(size_t size, gfp_t gfp)
 {
 	void *ret;
diff --git a/tools/testing/radix-tree/linux/slab.h b/tools/testing/radix-tree/linux/slab.h
index 2958830ce4d7..53b79c15b3a2 100644
--- a/tools/testing/radix-tree/linux/slab.h
+++ b/tools/testing/radix-tree/linux/slab.h
@@ -24,4 +24,5 @@ struct kmem_cache *kmem_cache_create(const char *name, unsigned int size,
 			unsigned int align, unsigned int flags,
 			void (*ctor)(void *));
 
+void kmem_cache_free_bulk(struct kmem_cache *cachep, size_t, void **);
 #endif		/* SLAB_H */
-- 
2.30.2