| Function report | 
| Source Code: arch\x86\include\asm\pgtable.h | Create Date:2022-07-28 06:00:01 | 
| Last Modify:2020-03-12 14:18:49 | Copyright©Brick | 
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| Annotation kernel can get tool activity | Download SCCT | Chinese | 
Name:pmd_trans_huge
Proto:static inline int pmd_trans_huge(pmd_t pmd)
Type:int
Parameter:
| Type | Parameter | Name | 
|---|---|---|
| pmd_t | pmd | 
| 258 | Return (pmd_val(pmd) & (_PAGE_PSE | _PAGE_DEVMAP)) == _PAGE_PSE | 
| Name | Describe | 
|---|---|
| mark_screen_rdonly | |
| filemap_map_pages | |
| follow_pmd_mask | |
| get_gate_page | |
| copy_pmd_range | |
| zap_pmd_range | |
| __get_locked_pte | |
| remap_pmd_range | |
| do_fault_around | do_fault_around() tries to map few pages around the fault address. The hope* is that the pages will be needed soon and this will lower the number of* faults to handle.* It uses vm_ops->map_pages() to map the pages, which skips the page if it's | 
| __handle_mm_fault | By the time we get here, we already hold the mm semaphore* The mmap_sem may have been released depending on flags and our* return value. See filemap_fault() and __lock_page_or_retry(). | 
| __follow_pte_pmd | |
| pmd_none_or_clear_bad_unless_trans_huge | Used when setting automatic NUMA hinting protection where it is* critical that a numa hinting PMD is not confused with a bad PMD. | 
| change_pmd_range | |
| alloc_new_pmd | |
| move_page_tables | |
| page_vma_mapped_walk | page_vma_mapped_walk - check if @pvmw->page is mapped in @pvmw->vma at*@pvmw->address*@pvmw: pointer to struct page_vma_mapped_walk. page, vma, address and flags* must be set. pmd, pte and ptl must be NULL.* Returns true if the page is mapped in the vma | 
| pmdp_huge_clear_flush | |
| pmdp_collapse_flush | |
| mm_find_pmd | |
| madvise_cold_or_pageout_pte_range | |
| madvise_free_pte_range | |
| copy_huge_pmd | |
| move_huge_pmd | |
| __pmd_trans_huge_lock | Returns page table lock pointer if a given pmd maps a thp, NULL otherwise.* Note that if it returns page table lock pointer, this routine returns without* unlocking page table lock. So callers must unlock it. | 
| __split_huge_pmd_locked | |
| __split_huge_pmd | |
| __mcopy_atomic | |
| hmm_vma_walk_pmd | |
| wp_clean_pmd_entry | wp_clean_pmd_entry - The pagewalk pmd callback. | 
| userfaultfd_must_wait | Verify the pagetables are still not ok after having reigstered into* the fault_pending_wqh to avoid userland having to UFFDIO_WAKE any* userfault that has already been resolved, if userfaultfd_read and* UFFDIO_COPY|ZEROPAGE are being run simultaneously on | 
| dax_iomap_pte_fault | |
| pmd_trans_huge_lock | mmap_sem must be held on entry | 
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