ia64/linux-2.6.18-xen.hg

view include/asm-i386/scatterlist.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 #ifndef _I386_SCATTERLIST_H
2 #define _I386_SCATTERLIST_H
4 struct scatterlist {
5 struct page *page;
6 unsigned int offset;
7 dma_addr_t dma_address;
8 unsigned int length;
9 };
11 /* These macros should be used after a pci_map_sg call has been done
12 * to get bus addresses of each of the SG entries and their lengths.
13 * You should only work with the number of sg entries pci_map_sg
14 * returns.
15 */
16 #define sg_dma_address(sg) ((sg)->dma_address)
17 #define sg_dma_len(sg) ((sg)->length)
19 #define ISA_DMA_THRESHOLD (0x00ffffff)
21 #endif /* !(_I386_SCATTERLIST_H) */