函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:include\linux\mm.h Create Date:2022-07-27 06:44:51
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：mm_populate

函数原型：static inline void mm_populate(unsigned long addr, unsigned long len)

返回类型：void

参数：

类型参数名称
unsigned longaddr
unsigned longlen
2347  __mm_populate - populate and/or mlock pages within a range of address space.* This is used to implement mlock() and the MAP_POPULATE / MAP_LOCKED mmap* flags. VMAs must be already marked with the desired vm_flags, and* mmap_sem must not be held.
调用者
名称描述
vm_mmap_pgoff
SYSCALL_DEFINE1
SYSCALL_DEFINE1
SYSCALL_DEFINE5Emulation of deprecated remap_file_pages() syscall.
vm_brk_flags
SYSCALL_DEFINE5Expand (or shrink) an existing mapping, potentially moving it at the* same time (controlled by the MREMAP_MAYMOVE flag and available VM space)* MREMAP_FIXED option added 5-Dec-1999 by Benjamin LaHaise* This option implies MREMAP_MAYMOVE.
do_shmatFix shmaddr, allocate descriptor, map shm, add attach descriptor to lists.* NOTE! Despite the name, this is NOT a direct system call entrypoint. The* "raddr" thing points to kernel space, and there has to be a wrapper around* this.