linux-imx
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committed a3ceed87b07x
* Users, who want to set the size of global CMA area for their system * should use cma= kernel parameter. */static const phys_addr_t size_bytes = (phys_addr_t)CMA_SIZE_MBYTES * SZ_1M;static phys_addr_t size_cmdline = -1;static phys_addr_t base_cmdline;static phys_addr_t limit_cmdline;static int __init early_cma(char *p){ pr_debug("%s(%s)\n", __func__, p); if (!p) { pr_err("Config string not provided\n"); return -EINVAL; } size_cmdline = memparse(p, &p); if (*p != '@') return 0; base_cmdline = memparse(p + 1, &p); if (*p != '-') { limit_cmdline = base_cmdline + size_cmdline; return 0; } limit_cmdline = memparse(p + 1, &p);