diff options
Diffstat (limited to 'arch/x86/kernel/setup.c')
| -rw-r--r-- | arch/x86/kernel/setup.c | 25 | 
1 files changed, 18 insertions, 7 deletions
diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c index 5d7ba1a449bd..c4851eff57b3 100644 --- a/arch/x86/kernel/setup.c +++ b/arch/x86/kernel/setup.c @@ -55,7 +55,6 @@  #include <linux/stddef.h>  #include <linux/unistd.h>  #include <linux/ptrace.h> -#include <linux/slab.h>  #include <linux/user.h>  #include <linux/delay.h> @@ -314,16 +313,17 @@ static void __init reserve_brk(void)  #define MAX_MAP_CHUNK	(NR_FIX_BTMAPS << PAGE_SHIFT)  static void __init relocate_initrd(void)  { - +	/* Assume only end is not page aligned */  	u64 ramdisk_image = boot_params.hdr.ramdisk_image;  	u64 ramdisk_size  = boot_params.hdr.ramdisk_size; +	u64 area_size     = PAGE_ALIGN(ramdisk_size);  	u64 end_of_lowmem = max_low_pfn_mapped << PAGE_SHIFT;  	u64 ramdisk_here;  	unsigned long slop, clen, mapaddr;  	char *p, *q;  	/* We need to move the initrd down into lowmem */ -	ramdisk_here = find_e820_area(0, end_of_lowmem, ramdisk_size, +	ramdisk_here = find_e820_area(0, end_of_lowmem, area_size,  					 PAGE_SIZE);  	if (ramdisk_here == -1ULL) @@ -332,7 +332,7 @@ static void __init relocate_initrd(void)  	/* Note: this includes all the lowmem currently occupied by  	   the initrd, we rely on that fact to keep the data intact. */ -	reserve_early(ramdisk_here, ramdisk_here + ramdisk_size, +	reserve_early(ramdisk_here, ramdisk_here + area_size,  			 "NEW RAMDISK");  	initrd_start = ramdisk_here + PAGE_OFFSET;  	initrd_end   = initrd_start + ramdisk_size; @@ -376,9 +376,10 @@ static void __init relocate_initrd(void)  static void __init reserve_initrd(void)  { +	/* Assume only end is not page aligned */  	u64 ramdisk_image = boot_params.hdr.ramdisk_image;  	u64 ramdisk_size  = boot_params.hdr.ramdisk_size; -	u64 ramdisk_end   = ramdisk_image + ramdisk_size; +	u64 ramdisk_end   = PAGE_ALIGN(ramdisk_image + ramdisk_size);  	u64 end_of_lowmem = max_low_pfn_mapped << PAGE_SHIFT;  	if (!boot_params.hdr.type_of_loader || @@ -606,6 +607,16 @@ static int __init setup_elfcorehdr(char *arg)  early_param("elfcorehdr", setup_elfcorehdr);  #endif +static __init void reserve_ibft_region(void) +{ +	unsigned long addr, size = 0; + +	addr = find_ibft_region(&size); + +	if (size) +		reserve_early_overlap_ok(addr, addr + size, "ibft"); +} +  #ifdef CONFIG_X86_RESERVE_LOW_64K  static int __init dmi_low_memory_corruption(const struct dmi_system_id *d)  { @@ -908,6 +919,8 @@ void __init setup_arch(char **cmdline_p)  	 */  	find_smp_config(); +	reserve_ibft_region(); +  	reserve_trampoline_memory();  #ifdef CONFIG_ACPI_SLEEP @@ -975,8 +988,6 @@ void __init setup_arch(char **cmdline_p)  	dma32_reserve_bootmem(); -	reserve_ibft_region(); -  #ifdef CONFIG_KVM_CLOCK  	kvmclock_init();  #endif  | 
