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 mmap_sem must have been held on entry, and may have been* released depending on flags and vma->vm_ops->fault() return value.* See filemap_fault() and __lock_page_retry().
Proto:static vm_fault_t __do_fault(struct vm_fault *vmf)
Type:vm_fault_t
Parameter:
Type | Parameter | Name |
---|---|---|
struct vm_fault * | vmf |
3234 | vma = Target VMA |
3256 | smp_wmb() |
3260 | If Value for the false possibility is greater at compile time(ret & (VM_FAULT_ERROR | VM_FAULT_NOPAGE | VM_FAULT_RETRY | VM_FAULT_DONE_COW)) Then Return ret |
3267 | put_page(->fault handlers should return a* page here, unless VM_FAULT_NOPAGE* is set (which is also implied by* VM_FAULT_ERROR).) |
3269 | Return VM_FAULT_HWPOISON |
3272 | If Value for the false possibility is greater at compile time(!(ret & VM_FAULT_LOCKED)) Then lock_page may only be called if we have the page's inode pinned. |
3277 | Return ret |
Name | Describe |
---|---|
do_read_fault | |
do_cow_fault | |
do_shared_fault |
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