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 */ 22 struct gen_pool *sram_pool; 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); 36