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-rw-r--r--tools/testing/shared/linux.c26
1 files changed, 25 insertions, 1 deletions
diff --git a/tools/testing/shared/linux.c b/tools/testing/shared/linux.c
index 4eb442206d01..17263696b5d8 100644
--- a/tools/testing/shared/linux.c
+++ b/tools/testing/shared/linux.c
@@ -26,8 +26,21 @@ struct kmem_cache {
unsigned int non_kernel;
unsigned long nr_allocated;
unsigned long nr_tallocated;
+ bool exec_callback;
+ void (*callback)(void *);
+ void *private;
};
+void kmem_cache_set_callback(struct kmem_cache *cachep, void (*callback)(void *))
+{
+ cachep->callback = callback;
+}
+
+void kmem_cache_set_private(struct kmem_cache *cachep, void *private)
+{
+ cachep->private = private;
+}
+
void kmem_cache_set_non_kernel(struct kmem_cache *cachep, unsigned int val)
{
cachep->non_kernel = val;
@@ -58,9 +71,17 @@ void *kmem_cache_alloc_lru(struct kmem_cache *cachep, struct list_lru *lru,
{
void *p;
+ if (cachep->exec_callback) {
+ if (cachep->callback)
+ cachep->callback(cachep->private);
+ cachep->exec_callback = false;
+ }
+
if (!(gfp & __GFP_DIRECT_RECLAIM)) {
- if (!cachep->non_kernel)
+ if (!cachep->non_kernel) {
+ cachep->exec_callback = true;
return NULL;
+ }
cachep->non_kernel--;
}
@@ -223,6 +244,9 @@ kmem_cache_create(const char *name, unsigned int size, unsigned int align,
ret->objs = NULL;
ret->ctor = ctor;
ret->non_kernel = 0;
+ ret->exec_callback = false;
+ ret->callback = NULL;
+ ret->private = NULL;
return ret;
}