NFS: Ensure we only call set_page_writeback() under the page lock
[linux-2.6/linux-acpi-2.6/ibm-acpi-2.6.git] / include / asm-i386 / mach-default / bios_ebda.h
blob9cbd9a668af814ca81a870e93edb3c70a2da1161
1 #ifndef _MACH_BIOS_EBDA_H
2 #define _MACH_BIOS_EBDA_H
4 /*
5 * there is a real-mode segmented pointer pointing to the
6 * 4K EBDA area at 0x40E.
7 */
8 static inline unsigned int get_bios_ebda(void)
10 unsigned int address = *(unsigned short *)phys_to_virt(0x40E);
11 address <<= 4;
12 return address; /* 0 means none */
15 #endif /* _MACH_BIOS_EBDA_H */