diff options
Diffstat (limited to 'include/asm-i386/processor.h')
| -rw-r--r-- | include/asm-i386/processor.h | 22 |
1 files changed, 14 insertions, 8 deletions
diff --git a/include/asm-i386/processor.h b/include/asm-i386/processor.h index 9c6830f68..b4f26c73c 100644 --- a/include/asm-i386/processor.h +++ b/include/asm-i386/processor.h @@ -119,14 +119,15 @@ struct thread_struct { /* virtual 86 mode info */ struct vm86_struct * vm86_info; unsigned long screen_bitmap; - unsigned long v86flags, v86mask, v86mode; + unsigned long v86flags, v86mask, v86mode, saved_esp0; }; -#define INIT_MMAP { &init_mm, 0xC0000000, 0xFFFFF000, PAGE_SHARED, VM_READ | VM_WRITE | VM_EXEC } +#define INIT_MMAP \ +{ &init_mm, 0, 0, PAGE_SHARED, VM_READ | VM_WRITE | VM_EXEC, NULL, &init_mm.mmap } #define INIT_TSS { \ 0,0, \ - sizeof(init_kernel_stack) + (long) &init_kernel_stack, \ + sizeof(init_stack) + (long) &init_stack, \ KERNEL_DS, 0, \ 0,0,0,0,0,0, \ (long) &swapper_pg_dir - PAGE_OFFSET, \ @@ -137,7 +138,7 @@ struct thread_struct { {~0, }, /* ioperm */ \ _TSS(0), 0, 0, 0, KERNEL_DS, \ { { 0, }, }, /* 387 state */ \ - NULL, 0, 0, 0, 0 /* vm86_info */, \ + NULL, 0, 0, 0, 0, 0 /* vm86_info */, \ } #define start_thread(regs, new_eip, new_esp) do {\ @@ -164,10 +165,15 @@ extern inline unsigned long thread_saved_pc(struct thread_struct *t) } /* Allocation and freeing of basic task resources. */ -#define alloc_task_struct() kmalloc(sizeof(struct task_struct), GFP_KERNEL) -#define alloc_kernel_stack(p) __get_free_page(GFP_KERNEL) -#define free_task_struct(p) kfree(p) -#define free_kernel_stack(page) free_page((page)) +/* + * NOTE! The task struct and the stack go together + */ +#define alloc_task_struct() \ + ((struct task_struct *) __get_free_pages(GFP_KERNEL,1,0)) +#define free_task_struct(p) free_pages((unsigned long)(p),1) + +#define init_task (init_task_union.task) +#define init_stack (init_task_union.stack) /* * Return_address is a replacement for __builtin_return_address(count) |