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Diffstat (limited to 'arch/x86/include/asm/dmi.h')
-rw-r--r--arch/x86/include/asm/dmi.h14
1 files changed, 2 insertions, 12 deletions
diff --git a/arch/x86/include/asm/dmi.h b/arch/x86/include/asm/dmi.h
index bc68212c6bc0..aa32f7e6c197 100644
--- a/arch/x86/include/asm/dmi.h
+++ b/arch/x86/include/asm/dmi.h
@@ -2,21 +2,11 @@
2#define _ASM_X86_DMI_H 2#define _ASM_X86_DMI_H
3 3
4#include <asm/io.h> 4#include <asm/io.h>
5#include <asm/setup.h>
5 6
6#define DMI_MAX_DATA 2048
7
8extern int dmi_alloc_index;
9extern char dmi_alloc_data[DMI_MAX_DATA];
10
11/* This is so early that there is no good way to allocate dynamic memory.
12 Allocate data in an BSS array. */
13static inline void *dmi_alloc(unsigned len) 7static inline void *dmi_alloc(unsigned len)
14{ 8{
15 int idx = dmi_alloc_index; 9 return extend_brk(len, sizeof(int));
16 if ((dmi_alloc_index + len) > DMI_MAX_DATA)
17 return NULL;
18 dmi_alloc_index += len;
19 return dmi_alloc_data + idx;
20} 10}
21 11
22/* Use early IO mappings for DMI because it's initialized early */ 12/* Use early IO mappings for DMI because it's initialized early */