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 <asm/sram.h> 13 14 /* 15 * This provides a standard SRAM pool for tiny memories that can be 16 * added either by the CPU or the platform code. Typical SRAM sizes 17 * to be inserted in to the pool will generally be less than the page 18 * size, with anything more reasonably sized handled as a NUMA memory 19 * node. 20 */ 21 struct gen_pool *sram_pool; 22 23 static int __init sram_pool_init(void) 24 { 25 /* 26 * This is a global pool, we don't care about node locality. 27 */ 28 sram_pool = gen_pool_create(1, -1); 29 if (unlikely(!sram_pool)) 30 return -ENOMEM; 31 32 return 0; 33 } 34 core_initcall(sram_pool_init); 35