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File: [Development] / linux-2.4-xfs / arch / x86_64 / kernel / init_task.c (download)

Revision 1.1, Wed Dec 31 00:54:49 2003 UTC (13 years, 9 months ago) by cattelan
Branch: MAIN
CVS Tags: HEAD

Initial Import 2.4.24pre2

#include <linux/mm.h>
#include <linux/sched.h>
#include <linux/init.h>
#include <linux/config.h>

#include <asm/uaccess.h>
#include <asm/pgtable.h>
#include <asm/desc.h>

static struct fs_struct init_fs = INIT_FS;
static struct files_struct init_files = INIT_FILES;
static struct signal_struct init_signals = INIT_SIGNALS;
struct mm_struct init_mm = INIT_MM(init_mm);

/*
 * Initial task structure.
 *
 * We need to make sure that this is 8192-byte aligned due to the
 * way process stacks are handled. This is done by having a special
 * "init_task" linker map entry..
 */
union task_union init_task_union 
	__attribute__((__section__(".data.init_task"))) =
		{ INIT_TASK(init_task_union.task) };

/*
 * per-CPU TSS segments. Threads are completely 'soft' on Linux,
 * no more per-task TSS's. The TSS size is kept cacheline-aligned
 * so they are allowed to end up in the .data.cacheline_aligned
 * section. Since TSS's are completely CPU-local, we want them
 * on exact cacheline boundaries, to eliminate cacheline ping-pong.
 */ 
struct tss_struct init_tss[NR_CPUS] __cacheline_aligned;


#define ALIGN_TO_4K __attribute__((section(".data.init_task")))

pgd_t boot_vmalloc_pgt[512]  ALIGN_TO_4K;