Function report |
Source Code:mm\nommu.c |
Create Date:2022-07-28 14:36:53 |
Last Modify:2020-03-17 21:26:27 | Copyright©Brick |
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Name:look up the first VMA in which addr resides, NULL if none* - should be called with mm->mmap_sem at least held readlocked
Proto:struct vm_area_struct *find_vma(struct mm_struct *mm, unsigned long addr)
Type:struct vm_area_struct
Parameter:
Type | Parameter | Name |
---|---|---|
struct mm_struct * | mm | |
unsigned long | addr |
712 | vma = vmacache_find(mm, addr) |
713 | If Value is more likely to compile time(vma) Then Return vma |
719 | If Our start address within vm_mm. > addr Then Return NULL |
721 | If The first byte after our end addresswithin vm_mm. > addr Then |
722 | vmacache_update(addr, vma) |
723 | Return vma |
727 | Return NULL |
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