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：do_mmap_pgoff

函数原型：static inline unsigned long do_mmap_pgoff(struct file *file, unsigned long addr, unsigned long len, unsigned long prot, unsigned long flags, unsigned long pgoff, unsigned long *populate, struct list_head *uf)

返回类型：unsigned long

参数：

类型参数名称
struct file *file
unsigned longaddr
unsigned longlen
unsigned longprot
unsigned longflags
unsigned longpgoff
unsigned long *populate
struct list_head *uf
2338  返回:The caller must hold down_write(¤t->mm->mmap_sem).
调用者
名称描述
vm_mmap_pgoff
SYSCALL_DEFINE5Emulation of deprecated remap_file_pages() syscall.
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.
aio_setup_ring