Signed-off-by: Liam R. Howlett <Liam.Howlett@xxxxxxxxxx>
Signed-off-by: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx>
---
tools/testing/radix-tree/linux.c | 16 +++++++++++++++-
tools/testing/radix-tree/linux/kernel.h | 1 +
2 files changed, 16 insertions(+), 1 deletion(-)
diff --git a/tools/testing/radix-tree/linux.c b/tools/testing/radix-tree/linux.c
index 2d9c59df60de..93f7de81fbe8 100644
--- a/tools/testing/radix-tree/linux.c
+++ b/tools/testing/radix-tree/linux.c
@@ -24,15 +24,28 @@ struct kmem_cache {
int nr_objs;
void *objs;
void (*ctor)(void *);
+ unsigned int non_kernel;
};
+void kmem_cache_set_non_kernel(struct kmem_cache *cachep, unsigned int val)
+{
+ cachep->non_kernel = val;
+}
+
+unsigned long kmem_cache_get_alloc(struct kmem_cache *cachep)
+{
+ return cachep->size * nr_allocated;
+}
void *kmem_cache_alloc(struct kmem_cache *cachep, int gfp)
{
void *p;
- if (!(gfp & __GFP_DIRECT_RECLAIM))
+ if (!(gfp & __GFP_DIRECT_RECLAIM) && !cachep->non_kernel)
return NULL;
+ if (!(gfp & __GFP_DIRECT_RECLAIM))
+ cachep->non_kernel--;
+
pthread_mutex_lock(&cachep->lock);
if (cachep->nr_objs) {
struct radix_tree_node *node = cachep->objs;
@@ -116,5 +129,6 @@ kmem_cache_create(const char *name, unsigned int size, unsigned int align,
ret->nr_objs = 0;
ret->objs = NULL;
ret->ctor = ctor;
+ ret->non_kernel = 0;
return ret;
}
diff --git a/tools/testing/radix-tree/linux/kernel.h b/tools/testing/radix-tree/linux/kernel.h
index 39867fd80c8f..c5c9d05f29da 100644
--- a/tools/testing/radix-tree/linux/kernel.h
+++ b/tools/testing/radix-tree/linux/kernel.h
@@ -14,6 +14,7 @@
#include "../../../include/linux/kconfig.h"
#define printk printf
+#define pr_err printk
#define pr_info printk
#define pr_debug printk
#define pr_cont printk
--
2.30.2
