From 74f27655dda84604d8bab47872020dcce5c88731 Mon Sep 17 00:00:00 2001 From: Yinghai Lu Date: Fri, 16 Nov 2012 19:38:53 -0800 Subject: [PATCH] x86, mm: relocate initrd under all mem for 64bit instead of under 4g. For 64bit, we can use any mapped mem instead of low mem. Signed-off-by: Yinghai Lu Link: http://lkml.kernel.org/r/1353123563-3103-17-git-send-email-yinghai@kernel.org Signed-off-by: H. Peter Anvin --- arch/x86/kernel/setup.c | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-) diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c index 68dffeceb193..94f922a73c54 100644 --- a/arch/x86/kernel/setup.c +++ b/arch/x86/kernel/setup.c @@ -324,7 +324,7 @@ static void __init relocate_initrd(void) char *p, *q; /* We need to move the initrd down into directly mapped mem */ - ramdisk_here = memblock_find_in_range(0, PFN_PHYS(max_low_pfn_mapped), + ramdisk_here = memblock_find_in_range(0, PFN_PHYS(max_pfn_mapped), area_size, PAGE_SIZE); if (!ramdisk_here) @@ -392,7 +392,7 @@ static void __init reserve_initrd(void) initrd_start = 0; - mapped_size = get_mem_size(max_low_pfn_mapped); + mapped_size = get_mem_size(max_pfn_mapped); if (ramdisk_size >= (mapped_size>>1)) panic("initrd too large to handle, " "disabling initrd (%lld needed, %lld available)\n", @@ -401,8 +401,7 @@ static void __init reserve_initrd(void) printk(KERN_INFO "RAMDISK: [mem %#010llx-%#010llx]\n", ramdisk_image, ramdisk_end - 1); - if (ramdisk_end <= (max_low_pfn_mapped<