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authorGustavo F. Padovan <gustavo@las.ic.unicamp.br>2009-02-15 21:48:54 -0300
committerH. Peter Anvin <hpa@zytor.com>2009-02-27 20:57:47 -0800
commitfd862dde18c3e360f510780e1d1bf615866b11c2 (patch)
treed67317c975ec7ed65c517a84243f0c5f877ae910 /arch/x86/include
parentx86, fixmap: define FIXADDR_BOOT_* and redefine FIX_ADDR_SIZE (diff)
downloadlinux-dev-fd862dde18c3e360f510780e1d1bf615866b11c2.tar.xz
linux-dev-fd862dde18c3e360f510780e1d1bf615866b11c2.zip
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/include')
-rw-r--r--arch/x86/include/asm/fixmap_64.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/x86/include/asm/fixmap_64.h b/arch/x86/include/asm/fixmap_64.h
index d905de086753..b6c06dd55f1c 100644
--- a/arch/x86/include/asm/fixmap_64.h
+++ b/arch/x86/include/asm/fixmap_64.h
@@ -68,6 +68,8 @@ enum fixed_addresses {
__end_of_fixed_addresses
};
+extern void reserve_top_address(unsigned long reserve);
+
#define FIXADDR_TOP (VSYSCALL_END-PAGE_SIZE)
#define FIXADDR_SIZE (__end_of_permanent_fixed_addresses << PAGE_SHIFT)