函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:mm\pgtable-generic.c Create Date:2022-07-27 16:24:25
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：pmdp_collapse_flush

函数原型：pmd_t pmdp_collapse_flush(struct vm_area_struct *vma, unsigned long address, pmd_t *pmdp)

返回类型：pmd_t

参数：

类型参数名称
struct vm_area_struct *vma
unsigned longaddress
pmd_t *pmdp
213  VM_BUG_ON(address & ~HPAGE_PMD_MASK)
214  VM_BUG_ON(pmd_trans_huge( * pmdp))
215  pmd等于pmdp_huge_get_and_clear(The address space we belong to. , address, pmdp)
218  flush_tlb_range(vma, address, address + HPAGE_PMD_SIZE)
219  返回:pmd
调用者
名称描述
collapse_huge_page