Function report |
Source Code:mm\gup.c |
Create Date:2022-07-28 14:35:38 |
| Last Modify:2020-03-12 14:18:49 | Copyright©Brick |
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| Annotation kernel can get tool activity | Download SCCT | Chinese |
Name:Check if it's allowed to use __get_user_pages_fast() for the range, or* we need to fall back to the slow version:
Proto:static bool gup_fast_permitted(unsigned long start, unsigned long end)
Type:bool
Parameter:
| Type | Parameter | Name |
|---|---|---|
| unsigned long | start | |
| unsigned long | end |
| 2321 | Return true |
| Name | Describe |
|---|---|
| __get_user_pages_fast | Like get_user_pages_fast() except it's IRQ-safe in that it won't fall back to* the regular GUP |
| get_user_pages_fast | get_user_pages_fast() - pin user pages in memory*@start: starting user address*@nr_pages: number of pages from start to pin*@gup_flags: flags modifying pin behaviour*@pages: array that receives pointers to the pages pinned. |
| Source code conversion tool public plug-in interface | X |
|---|---|
| Support c/c++/esqlc/java Oracle/Informix/Mysql Plug-in can realize: logical Report Code generation and batch code conversion |