Function report |
Source Code:arch\x86\kernel\ldt.c |
Create Date:2022-07-28 07:35:36 |
Last Modify:2022-05-18 16:20:29 | Copyright©Brick |
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Annotation kernel can get tool activity | Download SCCT | Chinese |
Name:Called on fork from arch_dup_mmap(). Just copy the current LDT state,* the new task is not running, so nothing can be installed.
Proto:int ldt_dup_context(struct mm_struct *old_mm, struct mm_struct *mm)
Type:int
Parameter:
Type | Parameter | Name |
---|---|---|
struct mm_struct * | old_mm | |
struct mm_struct * | mm |
362 | retval = 0 |
364 | If Not old_mm Then Return 0 |
367 | mutex_lock( & lock) |
368 | If Not ldt Then Go to out_unlock |
372 | If Not new_ldt Then |
374 | Go to out_unlock |
381 | retval = map_ldt_struct(mm, new_ldt, 0) |
382 | If retval Then |
389 | out_unlock : |
390 | mutex_unlock( & lock) |
391 | Return retval |
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