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Linux Cross Reference
Linux/arch/um/kernel/init_task.c

Version: ~ [ 0.6-2.3.46 ] ~
Architecture: ~ [ um ] ~ 
** Warning: Cannot open xref database.

  1 #include "linux/mm.h"
  2 #include "linux/sched.h"
  3 #include "asm/uaccess.h"
  4 #include "asm/pgtable.h"
  5 #include "user_util.h"
  6 
  7 static struct vm_area_struct init_mmap = INIT_MMAP;
  8 static struct fs_struct init_fs = INIT_FS;
  9 static struct files_struct init_files = INIT_FILES;
 10 static struct signal_struct init_signals = INIT_SIGNALS;
 11 struct mm_struct init_mm = INIT_MM(init_mm);
 12 
 13 /*
 14  * Initial task structure.
 15  *
 16  * We need to make sure that this is 8192-byte aligned due to the
 17  * way process stacks are handled. This is done by having a special
 18  * "init_task" linker map entry..
 19  */
 20 
 21 union task_union init_task_union 
 22 __attribute__((__section__(".data.init_task"))) = 
 23 { INIT_TASK(init_task_union.task) };
 24 
 25 struct task_struct *alloc_task_struct(void){
 26   struct task_struct *task;
 27 
 28   task = (struct task_struct *) __get_free_pages(GFP_KERNEL,1);
 29   if(task == NULL) return(NULL);
 30   stack_protections((unsigned long) task, 2 * PAGE_SIZE);
 31   return(task);
 32 }
 33
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