函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:mm\page_alloc.c Create Date:2022-07-27 16:37:08
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：sysctl handler for numa_zonelist_order

函数原型：int numa_zonelist_order_handler(struct ctl_table *table, int write, void __user *buffer, size_t *length, loff_t *ppos)

返回类型：int

参数：

类型参数名称
struct ctl_table *table
intwrite
void __user *buffer
size_t *length
loff_t *ppos
5484  如果非write则返回:读sysctl串
5486  str等于memdup_user_nul - duplicate memory region from user space and NUL-terminate*@src: source address in user space*@len: number of bytes to copy* Return: an ERR_PTR() on failure.
5487  如果是错误则返回:错误
5490  ret等于__parse_numa_zonelist_order(str)
5491  释放内存
5492  返回:ret