1 files changed, 0 insertions, 271 deletions
diff --git a/tools/testing/radix-tree/linux.c b/tools/testing/radix-tree/linux.c
deleted file mode 100644
index 4eb442206d01..000000000000
--- a/tools/testing/radix-tree/linux.c
+++ /dev/null
@@ -1,271 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-#include <stdlib.h>
-#include <string.h>
-#include <malloc.h>
-#include <pthread.h>
-#include <unistd.h>
-#include <assert.h>
-
-#include <linux/gfp.h>
-#include <linux/poison.h>
-#include <linux/slab.h>
-#include <linux/radix-tree.h>
-#include <urcu/uatomic.h>
-
-int nr_allocated;
-int preempt_count;
-int test_verbose;
-
-struct kmem_cache {
-	pthread_mutex_t lock;
-	unsigned int size;
-	unsigned int align;
-	int nr_objs;
-	void *objs;
-	void (*ctor)(void *);
-	unsigned int non_kernel;
-	unsigned long nr_allocated;
-	unsigned long nr_tallocated;
-};
-
-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 * cachep->nr_allocated;
-}
-
-unsigned long kmem_cache_nr_allocated(struct kmem_cache *cachep)
-{
-	return cachep->nr_allocated;
-}
-
-unsigned long kmem_cache_nr_tallocated(struct kmem_cache *cachep)
-{
-	return cachep->nr_tallocated;
-}
-
-void kmem_cache_zero_nr_tallocated(struct kmem_cache *cachep)
-{
-	cachep->nr_tallocated = 0;
-}
-
-void *kmem_cache_alloc_lru(struct kmem_cache *cachep, struct list_lru *lru,
-		int gfp)
-{
-	void *p;
-
-	if (!(gfp & __GFP_DIRECT_RECLAIM)) {
-		if (!cachep->non_kernel)
-			return NULL;
-
-		cachep->non_kernel--;
-	}
-
-	pthread_mutex_lock(&cachep->lock);
-	if (cachep->nr_objs) {
-		struct radix_tree_node *node = cachep->objs;
-		cachep->nr_objs--;
-		cachep->objs = node->parent;
-		pthread_mutex_unlock(&cachep->lock);
-		node->parent = NULL;
-		p = node;
-	} else {
-		pthread_mutex_unlock(&cachep->lock);
-		if (cachep->align)
-			posix_memalign(&p, cachep->align, cachep->size);
-		else
-			p = malloc(cachep->size);
-		if (cachep->ctor)
-			cachep->ctor(p);
-		else if (gfp & __GFP_ZERO)
-			memset(p, 0, cachep->size);
-	}
-
-	uatomic_inc(&cachep->nr_allocated);
-	uatomic_inc(&nr_allocated);
-	uatomic_inc(&cachep->nr_tallocated);
-	if (kmalloc_verbose)
-		printf("Allocating %p from slab\n", p);
-	return p;
-}
-
-void __kmem_cache_free_locked(struct kmem_cache *cachep, void *objp)
-{
-	assert(objp);
-	if (cachep->nr_objs > 10 || cachep->align) {
-		memset(objp, POISON_FREE, cachep->size);
-		free(objp);
-	} else {
-		struct radix_tree_node *node = objp;
-		cachep->nr_objs++;
-		node->parent = cachep->objs;
-		cachep->objs = node;
-	}
-}
-
-void kmem_cache_free_locked(struct kmem_cache *cachep, void *objp)
-{
-	uatomic_dec(&nr_allocated);
-	uatomic_dec(&cachep->nr_allocated);
-	if (kmalloc_verbose)
-		printf("Freeing %p to slab\n", objp);
-	__kmem_cache_free_locked(cachep, objp);
-}
-
-void kmem_cache_free(struct kmem_cache *cachep, void *objp)
-{
-	pthread_mutex_lock(&cachep->lock);
-	kmem_cache_free_locked(cachep, objp);
-	pthread_mutex_unlock(&cachep->lock);
-}
-
-void kmem_cache_free_bulk(struct kmem_cache *cachep, size_t size, void **list)
-{
-	if (kmalloc_verbose)
-		pr_debug("Bulk free %p[0-%lu]\n", list, size - 1);
-
-	pthread_mutex_lock(&cachep->lock);
-	for (int i = 0; i < size; i++)
-		kmem_cache_free_locked(cachep, list[i]);
-	pthread_mutex_unlock(&cachep->lock);
-}
-
-void kmem_cache_shrink(struct kmem_cache *cachep)
-{
-}
-
-int kmem_cache_alloc_bulk(struct kmem_cache *cachep, gfp_t gfp, size_t size,
-			  void **p)
-{
-	size_t i;
-
-	if (kmalloc_verbose)
-		pr_debug("Bulk alloc %lu\n", size);
-
-	pthread_mutex_lock(&cachep->lock);
-	if (cachep->nr_objs >= size) {
-		struct radix_tree_node *node;
-
-		for (i = 0; i < size; i++) {
-			if (!(gfp & __GFP_DIRECT_RECLAIM)) {
-				if (!cachep->non_kernel)
-					break;
-				cachep->non_kernel--;
-			}
-
-			node = cachep->objs;
-			cachep->nr_objs--;
-			cachep->objs = node->parent;
-			p[i] = node;
-			node->parent = NULL;
-		}
-		pthread_mutex_unlock(&cachep->lock);
-	} else {
-		pthread_mutex_unlock(&cachep->lock);
-		for (i = 0; i < size; i++) {
-			if (!(gfp & __GFP_DIRECT_RECLAIM)) {
-				if (!cachep->non_kernel)
-					break;
-				cachep->non_kernel--;
-			}
-
-			if (cachep->align) {
-				posix_memalign(&p[i], cachep->align,
-					       cachep->size);
-			} else {
-				p[i] = malloc(cachep->size);
-				if (!p[i])
-					break;
-			}
-			if (cachep->ctor)
-				cachep->ctor(p[i]);
-			else if (gfp & __GFP_ZERO)
-				memset(p[i], 0, cachep->size);
-		}
-	}
-
-	if (i < size) {
-		size = i;
-		pthread_mutex_lock(&cachep->lock);
-		for (i = 0; i < size; i++)
-			__kmem_cache_free_locked(cachep, p[i]);
-		pthread_mutex_unlock(&cachep->lock);
-		return 0;
-	}
-
-	for (i = 0; i < size; i++) {
-		uatomic_inc(&nr_allocated);
-		uatomic_inc(&cachep->nr_allocated);
-		uatomic_inc(&cachep->nr_tallocated);
-		if (kmalloc_verbose)
-			printf("Allocating %p from slab\n", p[i]);
-	}
-
-	return size;
-}
-
-struct kmem_cache *
-kmem_cache_create(const char *name, unsigned int size, unsigned int align,
-		unsigned int flags, void (*ctor)(void *))
-{
-	struct kmem_cache *ret = malloc(sizeof(*ret));
-
-	pthread_mutex_init(&ret->lock, NULL);
-	ret->size = size;
-	ret->align = align;
-	ret->nr_objs = 0;
-	ret->nr_allocated = 0;
-	ret->nr_tallocated = 0;
-	ret->objs = NULL;
-	ret->ctor = ctor;
-	ret->non_kernel = 0;
-	return ret;
-}
-
-/*
- * Test the test infrastructure for kem_cache_alloc/free and bulk counterparts.
- */
-void test_kmem_cache_bulk(void)
-{
-	int i;
-	void *list[12];
-	static struct kmem_cache *test_cache, *test_cache2;
-
-	/*
-	 * Testing the bulk allocators without aligned kmem_cache to force the
-	 * bulk alloc/free to reuse
-	 */
-	test_cache = kmem_cache_create("test_cache", 256, 0, SLAB_PANIC, NULL);
-
-	for (i = 0; i < 5; i++)
-		list[i] = kmem_cache_alloc(test_cache, __GFP_DIRECT_RECLAIM);
-
-	for (i = 0; i < 5; i++)
-		kmem_cache_free(test_cache, list[i]);
-	assert(test_cache->nr_objs == 5);
-
-	kmem_cache_alloc_bulk(test_cache, __GFP_DIRECT_RECLAIM, 5, list);
-	kmem_cache_free_bulk(test_cache, 5, list);
-
-	for (i = 0; i < 12 ; i++)
-		list[i] = kmem_cache_alloc(test_cache, __GFP_DIRECT_RECLAIM);
-
-	for (i = 0; i < 12; i++)
-		kmem_cache_free(test_cache, list[i]);
-
-	/* The last free will not be kept around */
-	assert(test_cache->nr_objs == 11);
-
-	/* Aligned caches will immediately free */
-	test_cache2 = kmem_cache_create("test_cache2", 128, 128, SLAB_PANIC, NULL);
-
-	kmem_cache_alloc_bulk(test_cache2, __GFP_DIRECT_RECLAIM, 10, list);
-	kmem_cache_free_bulk(test_cache2, 10, list);
-	assert(!test_cache2->nr_objs);
-
-
-}