diff options
Diffstat (limited to 'runtime/mempool.c')
| -rw-r--r-- | runtime/mempool.c | 37 |
1 files changed, 1 insertions, 36 deletions
diff --git a/runtime/mempool.c b/runtime/mempool.c index 0fbb4326..f8831428 100644 --- a/runtime/mempool.c +++ b/runtime/mempool.c @@ -1,6 +1,6 @@ /* -*- linux-c -*- * Preallocated memory pools - * Copyright (C) 2008 Red Hat Inc. + * Copyright (C) 2008-2009 Red Hat Inc. * * This file is part of systemtap, and is free software. You can * redistribute it and/or modify it under the terms of the GNU General @@ -72,41 +72,6 @@ err: return NULL; } -/* Resize a memory pool */ -static int _stp_mempool_resize(_stp_mempool_t *pool, size_t num) -{ - int i; - unsigned long flags; - struct _stp_mem_buffer *m; - - if (unlikely(num == 0 || num == pool->num)) - return pool->num; - - if (num > pool->num) { - for (i = 0; i < num - pool->num; i++) { - m = (struct _stp_mem_buffer *)_stp_kmalloc(pool->size); - if (unlikely(m == NULL)) - goto done; - m->pool = pool; - pool->num++; - spin_lock_irqsave(&pool->lock, flags); - list_add((struct list_head *)m, &pool->free_list); - spin_unlock_irqrestore(&pool->lock, flags); - } - } else { - for (i = 0; i < pool->num - num; i++) { - spin_lock_irqsave(&pool->lock, flags); - m = (struct _stp_mem_buffer *)pool->free_list.next; - list_del(&m->list); - spin_unlock_irqrestore(&pool->lock, flags); - _stp_kfree(m); - } - pool->num = num; - } -done: - return num; -} - /* allocate a buffer from a memory pool */ static void *_stp_mempool_alloc(_stp_mempool_t *pool) { |