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-rw-r--r--arch/x86/mm/pgtable_32.c18
1 files changed, 2 insertions, 16 deletions
diff --git a/arch/x86/mm/pgtable_32.c b/arch/x86/mm/pgtable_32.c
index 0951db9ee519..f2e477c91c1b 100644
--- a/arch/x86/mm/pgtable_32.c
+++ b/arch/x86/mm/pgtable_32.c
@@ -20,6 +20,8 @@
20#include <asm/tlb.h> 20#include <asm/tlb.h>
21#include <asm/tlbflush.h> 21#include <asm/tlbflush.h>
22 22
23unsigned int __VMALLOC_RESERVE = 128 << 20;
24
23/* 25/*
24 * Associate a virtual page frame with a given physical page frame 26 * Associate a virtual page frame with a given physical page frame
25 * and protection flags for that frame. 27 * and protection flags for that frame.
@@ -97,22 +99,6 @@ void set_pmd_pfn(unsigned long vaddr, unsigned long pfn, pgprot_t flags)
97unsigned long __FIXADDR_TOP = 0xfffff000; 99unsigned long __FIXADDR_TOP = 0xfffff000;
98EXPORT_SYMBOL(__FIXADDR_TOP); 100EXPORT_SYMBOL(__FIXADDR_TOP);
99 101
100/**
101 * reserve_top_address - reserves a hole in the top of kernel address space
102 * @reserve - size of hole to reserve
103 *
104 * Can be used to relocate the fixmap area and poke a hole in the top
105 * of kernel address space to make room for a hypervisor.
106 */
107void __init reserve_top_address(unsigned long reserve)
108{
109 BUG_ON(fixmaps_set > 0);
110 printk(KERN_INFO "Reserving virtual address space above 0x%08x\n",
111 (int)-reserve);
112 __FIXADDR_TOP = -reserve - PAGE_SIZE;
113 __VMALLOC_RESERVE += reserve;
114}
115
116/* 102/*
117 * vmalloc=size forces the vmalloc area to be exactly 'size' 103 * vmalloc=size forces the vmalloc area to be exactly 'size'
118 * bytes. This can be used to increase (or decrease) the 104 * bytes. This can be used to increase (or decrease) the