函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:mm\memory.c Create Date:2022-07-27 16:10:46
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：wp_huge_pud

函数原型：static vm_fault_t wp_huge_pud(struct vm_fault *vmf, pud_t orig_pud)

返回类型：vm_fault_t

参数：

类型参数名称
struct vm_fault *vmf
pud_torig_pud
3949  如果vma_is_anonymous(Target VMA )则返回:VM_FAULT_FALLBACK
3951  如果huge_fault则返回:huge_fault(vmf, PE_SIZE_PUD)
3954  返回:VM_FAULT_FALLBACK
调用者
名称描述
__handle_mm_faultBy 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().