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Diffstat (limited to 'arch/x86/include/asm/dmi.h')
-rw-r--r--arch/x86/include/asm/dmi.h19
1 files changed, 6 insertions, 13 deletions
diff --git a/arch/x86/include/asm/dmi.h b/arch/x86/include/asm/dmi.h
index bc68212c6bc0..fd8f9e2ca35f 100644
--- a/arch/x86/include/asm/dmi.h
+++ b/arch/x86/include/asm/dmi.h
@@ -1,22 +1,15 @@
#ifndef _ASM_X86_DMI_H
#define _ASM_X86_DMI_H
-#include <asm/io.h>
-
-#define DMI_MAX_DATA 2048
+#include <linux/compiler.h>
+#include <linux/init.h>
-extern int dmi_alloc_index;
-extern char dmi_alloc_data[DMI_MAX_DATA];
+#include <asm/io.h>
+#include <asm/setup.h>
-/* This is so early that there is no good way to allocate dynamic memory.
- Allocate data in an BSS array. */
-static inline void *dmi_alloc(unsigned len)
+static __always_inline __init void *dmi_alloc(unsigned len)
{
- int idx = dmi_alloc_index;
- if ((dmi_alloc_index + len) > DMI_MAX_DATA)
- return NULL;
- dmi_alloc_index += len;
- return dmi_alloc_data + idx;
+ return extend_brk(len, sizeof(int));
}
/* Use early IO mappings for DMI because it's initialized early */