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-rw-r--r--tools/testing/radix-tree/linux.c16
1 files changed, 14 insertions, 2 deletions
diff --git a/tools/testing/radix-tree/linux.c b/tools/testing/radix-tree/linux.c
index d5c1bcba86fe..277aa8b70abc 100644
--- a/tools/testing/radix-tree/linux.c
+++ b/tools/testing/radix-tree/linux.c
@@ -23,15 +23,26 @@ 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;
+}
+
void *kmem_cache_alloc_lru(struct kmem_cache *cachep, struct list_lru *lru,
int gfp)
+
{
void *p;
- if (!(gfp & __GFP_DIRECT_RECLAIM))
- return NULL;
+ if (!(gfp & __GFP_DIRECT_RECLAIM)) {
+ if (!cachep->non_kernel)
+ return NULL;
+
+ cachep->non_kernel--;
+ }
pthread_mutex_lock(&cachep->lock);
if (cachep->nr_objs) {
@@ -90,5 +101,6 @@ 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;
}