Function report | 
Source Code:mm\huge_memory.c | 
Create Date:2022-07-28 16:01:48 | 
| Last Modify:2020-03-12 14:18:49 | Copyright©Brick | 
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| Annotation kernel can get tool activity | Download SCCT | Chinese | 
Name:FOLL_FORCE can write to even unwritable pmd's, but only* after we've gone through a COW cycle and they are dirty.
Proto:static inline bool can_follow_write_pmd(pmd_t pmd, unsigned int flags)
Type:bool
Parameter:
| Type | Parameter | Name | 
|---|---|---|
| pmd_t | pmd | |
| unsigned int | flags | 
| 1462 | Return pmd_write(pmd) || flags & get_user_pages read/write w/o permission && flags & rnal GUP flag && pmd_dirty(pmd) | 
| Name | Describe | 
|---|---|
| follow_trans_huge_pmd | 
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