RTAI is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.
RTAI is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License along with RTAI; if not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
Dynamic memory allocation services lifted and adapted from the Xenomai nucleus.
This file implements the RTAI dynamic memory allocator based on the algorithm described in "Design of a General Purpose Memory Allocator for the 4.3BSD Unix Kernel" by Marshall K. McKusick and Michael J. Karels.
Definition in file malloc.c.#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/version.h>
#include <rtai_config.h>
#include <asm/rtai.h>
#include <linux/slab.h>
#include <rtai_malloc.h>
Include dependency graph for malloc.c:
Go to the source code of this file.
Functions | |
| MODULE_PARM (rtai_global_heap_size,"i") | |
| void * | alloc_extent (u_long size) |
| void | free_extent (void *p, u_long size) |
| void | init_extent (rtheap_t *heap, rtextent_t *extent) |
| int | rtheap_init (rtheap_t *heap, void *heapaddr, u_long heapsize, u_long pagesize) |
| Initialize a memory heap. | |
| void | rtheap_destroy (rtheap_t *heap) |
| Destroys a memory heap. | |
| caddr_t | get_free_range (rtheap_t *heap, u_long bsize, int log2size, int mode) |
| void * | rtheap_alloc (rtheap_t *heap, u_long size, int mode) |
| Allocate a memory block from a memory heap. | |
| int | rtheap_free (rtheap_t *heap, void *block) |
| Release a memory block to a memory heap. | |
| int | __rtai_heap_init (void) |
| void | __rtai_heap_exit (void) |
| EXPORT_SYMBOL (rtheap_init) | |
| EXPORT_SYMBOL (rtheap_destroy) | |
| EXPORT_SYMBOL (rtheap_alloc) | |
| EXPORT_SYMBOL (rtheap_free) | |
| EXPORT_SYMBOL (rtai_global_heap) | |
Variables | |
| int | rtai_global_heap_size = RTHEAP_GLOBALSZ |
| void * | rtai_global_heap_adr = NULL |
| rtheap_t | rtai_global_heap |
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1.3.8