diff options
| author | Ingo Molnar <mingo@kernel.org> | 2014-04-14 16:44:42 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2014-04-14 16:44:42 +0200 |
| commit | 740c699a8d316c8bf8593f19e2ca47795e690622 (patch) | |
| tree | a78886955770a477945c5d84e06b2e7678733b54 /arch/arc/mm/init.c | |
| parent | e69af4657e7764d03ad555f0b583d9c4217bcefa (diff) | |
| parent | c9eaa447e77efe77b7fa4c953bd62de8297fd6c5 (diff) | |
Merge tag 'v3.15-rc1' into perf/urgent
Pick up the latest fixes.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/arc/mm/init.c')
| -rw-r--r-- | arch/arc/mm/init.c | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/arch/arc/mm/init.c b/arch/arc/mm/init.c index 55e0a85bea7..523412369f7 100644 --- a/arch/arc/mm/init.c +++ b/arch/arc/mm/init.c @@ -10,6 +10,9 @@ #include <linux/mm.h> #include <linux/bootmem.h> #include <linux/memblock.h> +#ifdef CONFIG_BLK_DEV_INITRD +#include <linux/initrd.h> +#endif #include <linux/swap.h> #include <linux/module.h> #include <asm/page.h> @@ -42,6 +45,24 @@ void __init early_init_dt_add_memory_arch(u64 base, u64 size) pr_info("Memory size set via devicetree %ldM\n", TO_MB(arc_mem_sz)); } +#ifdef CONFIG_BLK_DEV_INITRD +static int __init early_initrd(char *p) +{ + unsigned long start, size; + char *endp; + + start = memparse(p, &endp); + if (*endp == ',') { + size = memparse(endp + 1, NULL); + + initrd_start = (unsigned long)__va(start); + initrd_end = (unsigned long)__va(start + size); + } + return 0; +} +early_param("initrd", early_initrd); +#endif + /* * First memory setup routine called from setup_arch() * 1. setup swapper's mm @init_mm @@ -80,6 +101,12 @@ void __init setup_arch_memory(void) memblock_reserve(CONFIG_LINUX_LINK_BASE, __pa(_end) - CONFIG_LINUX_LINK_BASE); +#ifdef CONFIG_BLK_DEV_INITRD + /*------------- reserve initrd image -----------------------*/ + if (initrd_start) + memblock_reserve(__pa(initrd_start), initrd_end - initrd_start); +#endif + memblock_dump_all(); /*-------------- node setup --------------------------------*/ |