| Function report | 
| Source Code: mm\memory.c | Create Date:2022-07-28 14:42:49 | 
| Last Modify:2020-03-12 14:18:49 | Copyright©Brick | 
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| Annotation kernel can get tool activity | Download SCCT | Chinese | 
Name:The ordering of these checks is important for pmds with _PAGE_DEVMAP set.* If we check pmd_trans_unstable() first we will trip the bad_pmd() check* inside of pmd_none_or_trans_huge_or_clear_bad(). This will end up correctly
Proto:static int pmd_devmap_trans_unstable(pmd_t *pmd)
Type:int
Parameter:
| Type | Parameter | Name | 
|---|---|---|
| pmd_t * | pmd | 
| 3288 | Return pmd_devmap( * pmd) || This is a noop if Transparent Hugepage Support is not built into* the kernel | 
| Name | Describe | 
|---|---|
| pte_alloc_one_map | |
| handle_pte_fault | These routines also need to handle stuff like marking pages dirty* and/or accessed for architectures that don't do it in hardware (most* RISC architectures) | 
| Source code conversion tool public plug-in interface | X | 
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