Linux Kernel  3.7.1
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sram.c
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1 /*
2  * SRAM pool for tiny memories not otherwise managed.
3  *
4  * Copyright (C) 2010 Paul Mundt
5  *
6  * This file is subject to the terms and conditions of the GNU General Public
7  * License. See the file "COPYING" in the main directory of this archive
8  * for more details.
9  */
10 #include <linux/init.h>
11 #include <linux/kernel.h>
12 #include <linux/errno.h>
13 #include <asm/sram.h>
14 
15 /*
16  * This provides a standard SRAM pool for tiny memories that can be
17  * added either by the CPU or the platform code. Typical SRAM sizes
18  * to be inserted in to the pool will generally be less than the page
19  * size, with anything more reasonably sized handled as a NUMA memory
20  * node.
21  */
23 
24 static int __init sram_pool_init(void)
25 {
26  /*
27  * This is a global pool, we don't care about node locality.
28  */
29  sram_pool = gen_pool_create(1, -1);
30  if (unlikely(!sram_pool))
31  return -ENOMEM;
32 
33  return 0;
34 }
35 core_initcall(sram_pool_init);