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author | Rich Felker <dalias@libc.org> | 2016-03-30 00:53:03 +0300 |
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committer | Rich Felker <dalias@libc.org> | 2016-03-30 00:53:03 +0300 |
commit | 16b02d711f4059b8338ef967064195b47cae65ea (patch) | |
tree | 6d3e0b7629210b56f8d6cfa39184c878d8a15367 /tools/testing/radix-tree/linux.c | |
parent | b15d53d009558d14c4f394a6d1fa2039c7f45c43 (diff) | |
parent | f55532a0c0b8bb6148f4e07853b876ef73bc69ca (diff) | |
download | linux-16b02d711f4059b8338ef967064195b47cae65ea.tar.xz |
Merge tag 'v4.6-rc1'
Linux 4.6-rc1
Diffstat (limited to 'tools/testing/radix-tree/linux.c')
-rw-r--r-- | tools/testing/radix-tree/linux.c | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/tools/testing/radix-tree/linux.c b/tools/testing/radix-tree/linux.c new file mode 100644 index 000000000000..154823737b20 --- /dev/null +++ b/tools/testing/radix-tree/linux.c @@ -0,0 +1,60 @@ +#include <stdlib.h> +#include <string.h> +#include <malloc.h> +#include <unistd.h> +#include <assert.h> + +#include <linux/mempool.h> +#include <linux/slab.h> +#include <urcu/uatomic.h> + +int nr_allocated; + +void *mempool_alloc(mempool_t *pool, int gfp_mask) +{ + return pool->alloc(gfp_mask, pool->data); +} + +void mempool_free(void *element, mempool_t *pool) +{ + pool->free(element, pool->data); +} + +mempool_t *mempool_create(int min_nr, mempool_alloc_t *alloc_fn, + mempool_free_t *free_fn, void *pool_data) +{ + mempool_t *ret = malloc(sizeof(*ret)); + + ret->alloc = alloc_fn; + ret->free = free_fn; + ret->data = pool_data; + return ret; +} + +void *kmem_cache_alloc(struct kmem_cache *cachep, int flags) +{ + void *ret = malloc(cachep->size); + if (cachep->ctor) + cachep->ctor(ret); + uatomic_inc(&nr_allocated); + return ret; +} + +void kmem_cache_free(struct kmem_cache *cachep, void *objp) +{ + assert(objp); + uatomic_dec(&nr_allocated); + memset(objp, 0, cachep->size); + free(objp); +} + +struct kmem_cache * +kmem_cache_create(const char *name, size_t size, size_t offset, + unsigned long flags, void (*ctor)(void *)) +{ + struct kmem_cache *ret = malloc(sizeof(*ret)); + + ret->size = size; + ret->ctor = ctor; + return ret; +} |