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authorGustavo F. Padovan <gustavo@las.ic.unicamp.br>2009-02-16 03:48:54 +0300
committerH. Peter Anvin <hpa@zytor.com>2009-02-28 07:57:47 +0300
commitfd862dde18c3e360f510780e1d1bf615866b11c2 (patch)
treed67317c975ec7ed65c517a84243f0c5f877ae910 /arch/x86/mm/pgtable_32.c
parentab93e3c45dbac66c2e8e24fd560c052a3907903e (diff)
downloadlinux-fd862dde18c3e360f510780e1d1bf615866b11c2.tar.xz
x86, fixmap: define reserve_top_address for x86_64
Impact: new interface (not yet use) Define reserve_top_address for x86_64; only for later x86 integration. Signed-off-by: Gustavo F. Padovan <gustavo@las.ic.unicamp.br> Acked-by: Glauber Costa <gcosta@redhat.com> Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Diffstat (limited to 'arch/x86/mm/pgtable_32.c')
-rw-r--r--arch/x86/mm/pgtable_32.c16
1 files changed, 0 insertions, 16 deletions
diff --git a/arch/x86/mm/pgtable_32.c b/arch/x86/mm/pgtable_32.c
index 0951db9ee519..c3cf6e115768 100644
--- a/arch/x86/mm/pgtable_32.c
+++ b/arch/x86/mm/pgtable_32.c
@@ -97,22 +97,6 @@ void set_pmd_pfn(unsigned long vaddr, unsigned long pfn, pgprot_t flags)
unsigned long __FIXADDR_TOP = 0xfffff000;
EXPORT_SYMBOL(__FIXADDR_TOP);
-/**
- * reserve_top_address - reserves a hole in the top of kernel address space
- * @reserve - size of hole to reserve
- *
- * Can be used to relocate the fixmap area and poke a hole in the top
- * of kernel address space to make room for a hypervisor.
- */
-void __init reserve_top_address(unsigned long reserve)
-{
- BUG_ON(fixmaps_set > 0);
- printk(KERN_INFO "Reserving virtual address space above 0x%08x\n",
- (int)-reserve);
- __FIXADDR_TOP = -reserve - PAGE_SIZE;
- __VMALLOC_RESERVE += reserve;
-}
-
/*
* vmalloc=size forces the vmalloc area to be exactly 'size'
* bytes. This can be used to increase (or decrease) the