diff options
Diffstat (limited to 'arch/x86_64/kernel/e820.c')
| -rw-r--r-- | arch/x86_64/kernel/e820.c | 26 |
1 files changed, 6 insertions, 20 deletions
diff --git a/arch/x86_64/kernel/e820.c b/arch/x86_64/kernel/e820.c index be8965427a9..13c6c37610e 100644 --- a/arch/x86_64/kernel/e820.c +++ b/arch/x86_64/kernel/e820.c @@ -17,6 +17,8 @@ #include <linux/kexec.h> #include <linux/module.h> #include <linux/mm.h> +#include <linux/suspend.h> +#include <linux/pfn.h> #include <asm/pgtable.h> #include <asm/page.h> @@ -256,22 +258,6 @@ void __init e820_reserve_resources(void) } } -/* Mark pages corresponding to given address range as nosave */ -static void __init -e820_mark_nosave_range(unsigned long start, unsigned long end) -{ - unsigned long pfn, max_pfn; - - if (start >= end) - return; - - printk("Nosave address range: %016lx - %016lx\n", start, end); - max_pfn = end >> PAGE_SHIFT; - for (pfn = start >> PAGE_SHIFT; pfn < max_pfn; pfn++) - if (pfn_valid(pfn)) - SetPageNosave(pfn_to_page(pfn)); -} - /* * Find the ranges of physical addresses that do not correspond to * e820 RAM areas and mark the corresponding pages as nosave for software @@ -290,13 +276,13 @@ void __init e820_mark_nosave_regions(void) struct e820entry *ei = &e820.map[i]; if (paddr < ei->addr) - e820_mark_nosave_range(paddr, - round_up(ei->addr, PAGE_SIZE)); + register_nosave_region(PFN_DOWN(paddr), + PFN_UP(ei->addr)); paddr = round_down(ei->addr + ei->size, PAGE_SIZE); if (ei->type != E820_RAM) - e820_mark_nosave_range(round_up(ei->addr, PAGE_SIZE), - paddr); + register_nosave_region(PFN_UP(ei->addr), + PFN_DOWN(paddr)); if (paddr >= (end_pfn << PAGE_SHIFT)) break; |