ia64/linux-2.6.18-xen.hg

view include/asm-arm/arch-shark/memory.h @ 452:c7ed6fe5dca0

kexec: dont initialise regions in reserve_memory()

There is no need to initialise efi_memmap_res and boot_param_res in
reserve_memory() for the initial xen domain as it is done in
machine_kexec_setup_resources() using values from the kexec hypercall.

Signed-off-by: Simon Horman <horms@verge.net.au>
author Keir Fraser <keir.fraser@citrix.com>
date Thu Feb 28 10:55:18 2008 +0000 (2008-02-28)
parents 831230e53067
children
line source
1 /*
2 * linux/include/asm-arm/arch-shark/memory.h
3 *
4 * by Alexander Schulz
5 *
6 * derived from:
7 * linux/include/asm-arm/arch-ebsa110/memory.h
8 * Copyright (c) 1996-1999 Russell King.
9 */
10 #ifndef __ASM_ARCH_MEMORY_H
11 #define __ASM_ARCH_MEMORY_H
13 #include <asm/sizes.h>
15 /*
16 * Physical DRAM offset.
17 */
18 #define PHYS_OFFSET UL(0x08000000)
20 #ifndef __ASSEMBLY__
22 static inline void __arch_adjust_zones(int node, unsigned long *zone_size, unsigned long *zhole_size)
23 {
24 if (node != 0) return;
25 /* Only the first 4 MB (=1024 Pages) are usable for DMA */
26 zone_size[1] = zone_size[0] - 1024;
27 zone_size[0] = 1024;
28 zhole_size[1] = zhole_size[0];
29 zhole_size[0] = 0;
30 }
32 #define arch_adjust_zones(node, size, holes) \
33 __arch_adjust_zones(node, size, holes)
35 #define ISA_DMA_THRESHOLD (PHYS_OFFSET + SZ_4M - 1)
37 #endif
39 #define __virt_to_bus(x) __virt_to_phys(x)
40 #define __bus_to_virt(x) __phys_to_virt(x)
42 /*
43 * Cache flushing area
44 */
45 #define FLUSH_BASE_PHYS 0x80000000
46 #define FLUSH_BASE 0xdf000000
48 #endif