函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:mm\vmstat.c Create Date:2022-07-27 15:47:18
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：Print out the free pages at each order for each migatetype

函数原型：static int pagetypeinfo_showfree(struct seq_file *m, void *arg)

返回类型：int

参数：

类型参数名称
struct seq_file *m
void *arg
1419  pgdat等于arg
1422  seq_printf(m, "%-43s ", "Free pages count per migrate type at order")
1423  以order小于Free memory management - zoned buddy allocator. 循环seq_printf(m, "%6d ", order)
1425  seq_putc(m, '\n')
1427  Walk zones in a node and print using a callback.* If @assert_populated is true, only use callback for zones that are populated.
1429  返回:0
调用者
名称描述
pagetypeinfo_showThis prints out statistics in relation to grouping pages by mobility.* It is expensive to collect so do not constantly read the file.