ia64/linux-2.6.18-xen.hg

view arch/mips/kernel/init_task.c @ 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 #include <linux/mm.h>
2 #include <linux/module.h>
3 #include <linux/sched.h>
4 #include <linux/init_task.h>
5 #include <linux/fs.h>
6 #include <linux/mqueue.h>
8 #include <asm/thread_info.h>
9 #include <asm/uaccess.h>
10 #include <asm/pgtable.h>
12 static struct fs_struct init_fs = INIT_FS;
13 static struct files_struct init_files = INIT_FILES;
14 static struct signal_struct init_signals = INIT_SIGNALS(init_signals);
15 static struct sighand_struct init_sighand = INIT_SIGHAND(init_sighand);
16 struct mm_struct init_mm = INIT_MM(init_mm);
18 EXPORT_SYMBOL(init_mm);
20 /*
21 * Initial thread structure.
22 *
23 * We need to make sure that this is 8192-byte aligned due to the
24 * way process stacks are handled. This is done by making sure
25 * the linker maps this in the .text segment right after head.S,
26 * and making head.S ensure the proper alignment.
27 *
28 * The things we do for performance..
29 */
30 union thread_union init_thread_union
31 __attribute__((__section__(".data.init_task"),
32 __aligned__(THREAD_SIZE))) =
33 { INIT_THREAD_INFO(init_task) };
35 /*
36 * Initial task structure.
37 *
38 * All other task structs will be allocated on slabs in fork.c
39 */
40 struct task_struct init_task = INIT_TASK(init_task);
42 EXPORT_SYMBOL(init_task);