函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:mm\hugetlb.c Create Date:2022-07-27 16:56:20
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：Return the size of the pages allocated when backing a VMA. In the majority* cases this will be same size as used by the page table entries.

函数原型：unsigned long vma_kernel_pagesize(struct vm_area_struct *vma)

返回类型：unsigned long

参数：

类型参数名称
struct vm_area_struct *vma
597  如果Function pointers to deal with this struct. 且pagesize则返回:pagesize(vma)
599  返回:PAGE_SIZE
调用者
名称描述
vma_mmu_pagesizeReturn the page size being used by the MMU to back a VMA. In the majority* of cases, the page size used by the kernel matches the MMU size. On* architectures where it differs, an architecture-specific 'strong'* version of this symbol is required.
__mcopy_atomic_hugetlb__mcopy_atomic processing for HUGETLB vmas. Note that this routine is* called with mmap_sem held, it will release mmap_sem before returning.
userfaultfd_register
userfaultfd_unregister