* [PATCH] radix tree test suite: Fix allocation calculation in kmem_cache_alloc_bulk()
@ 2023-09-29 20:13 Liam R. Howlett
0 siblings, 0 replies; only message in thread
From: Liam R. Howlett @ 2023-09-29 20:13 UTC (permalink / raw)
To: Andrew Morton
Cc: linux-mm, linux-kernel, Liam R. Howlett, Christophe JAILLET,
Matthew Wilcox
The bulk allocation is iterating through an array and storing enough
memory for the entire bulk allocation instead of a single array entry.
Only allocate an array element of the size set in the kmem_cache.
Fixes: cc86e0c2f306 ("radix tree test suite: add support for slab bulk APIs")
Cc: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Cc: Matthew Wilcox (Oracle) <willy@infradead.org>
Signed-off-by: Liam R. Howlett <Liam.Howlett@oracle.com>
---
tools/testing/radix-tree/linux.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/tools/testing/radix-tree/linux.c b/tools/testing/radix-tree/linux.c
index d587a558997f..61fe2601cb3a 100644
--- a/tools/testing/radix-tree/linux.c
+++ b/tools/testing/radix-tree/linux.c
@@ -165,9 +165,9 @@ int kmem_cache_alloc_bulk(struct kmem_cache *cachep, gfp_t gfp, size_t size,
for (i = 0; i < size; i++) {
if (cachep->align) {
posix_memalign(&p[i], cachep->align,
- cachep->size * size);
+ cachep->size);
} else {
- p[i] = malloc(cachep->size * size);
+ p[i] = malloc(cachep->size);
}
if (cachep->ctor)
cachep->ctor(p[i]);
--
2.40.1
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