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 16:56:57
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：ver called for tail page

函数原型：static void set_page_huge_active(struct page *page)

返回类型：void

参数：

类型参数名称
struct page *page
1108  VM_BUG_ON_PAGE(!PageHeadHuge() only returns true for hugetlbfs head page, but not for* normal or transparent huge pages., page)
1109  Private page markings that may be used by the filesystem that owns the page* for its own purposes.* - PG_private and PG_private_2 cause releasepage() and co to be invoked
调用者
名称描述
hugetlb_cowHugetlb_cow() should be called with page lock of the original hugepage held.* Called with hugetlb_instantiation_mutex held and pte_page locked so we* cannot race with other handlers or page migration.
hugetlb_no_page
hugetlb_mcopy_atomic_pteUsed by userfaultfd UFFDIO_COPY. Based on mcopy_atomic_pte with* modifications for huge pages.
putback_active_hugepage