/*-
* BSD LICENSE
- *
+ *
* Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
* All rights reserved.
- *
+ *
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
- *
+ *
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* * Neither the name of Intel Corporation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
- *
+ *
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
return 0;
}
-/*
- * initialise a malloc heap object. The heap is locked with a private
- * lock while being initialised. This function should only be called the
- * first time a thread calls malloc - if even then, as heaps are per-socket
- * not per-thread.
- */
-static void
-malloc_heap_init(struct malloc_heap *heap)
-{
- struct rte_mem_config *mcfg = rte_eal_get_configuration()->mem_config;
-
- rte_eal_mcfg_wait_complete(mcfg);
- while (heap->initialised != INITIALISED) {
- if (rte_atomic32_cmpset(
- (volatile uint32_t*)&heap->initialised,
- NOT_INITIALISED, INITIALISING)) {
-
- heap->free_head = NULL;
- heap->mz_count = 0;
- heap->alloc_count = 0;
- heap->total_size = 0;
- rte_spinlock_init(&heap->lock);
- heap->initialised = INITIALISED;
- }
- }
-}
-
/*
* Iterates through the freelist for a heap to find a free element
* which can store data of the required size and with the requested alignment.
malloc_heap_alloc(struct malloc_heap *heap,
const char *type __attribute__((unused)), size_t size, unsigned align)
{
- if (!heap->initialised)
- malloc_heap_init(heap);
-
size = CACHE_LINE_ROUNDUP(size);
align = CACHE_LINE_ROUNDUP(align);
rte_spinlock_lock(&heap->lock);
malloc_heap_get_stats(const struct malloc_heap *heap,
struct rte_malloc_socket_stats *socket_stats)
{
- if (!heap->initialised)
- return -1;
-
struct malloc_elem *elem = heap->free_head;
/* Initialise variables for heap */