函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:mm\nommu.c Create Date:2022-07-27 16:02:52
Last Modify:2020-03-17 21:26:27 Copyright©Brick
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函数名称： a contiguous series of pages

函数原型：static void free_page_series(unsigned long from, unsigned long to)

返回类型：void

参数：

类型参数名称
unsigned longfrom
unsigned longto
541  以from小于to循环
542  page等于virt_to_page(kaddr) returns a valid pointer if and only if* virt_addr_valid(kaddr) returns true.(from)
544  atomic_long_dec( & mmap_pages_allocated)
545  put_page(page)
调用者
名称描述
__put_nommu_regionlease a reference to a region* - the caller must hold the region semaphore for writing, which this releases* - the region may not have been added to the tree yet, in which case vm_top* will equal vm_start
do_mmap_privateset up a private mapping or an anonymous shared mapping
shrink_vmashrink a VMA by removing the specified chunk from either the beginning or* the end