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 15:47:25
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：This prints out statistics in relation to grouping pages by mobility.* It is expensive to collect so do not constantly read the file.

函数原型：static int pagetypeinfo_show(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
1516  pgdat等于arg
1519  如果非node_state(全局结点ID, N_MEMORY)则返回:0
1522  seq_printf(m, "Page block order: %d\n", Huge pages are a constant size )
1523  seq_printf(m, "Pages per block: %lu\n", pageblock_nr_pages)
1524  seq_putc(m, '\n')
1525  Print out the free pages at each order for each migatetype
1526  Print out the number of pageblocks for each migratetype
1527  Print out the number of pageblocks for each migratetype that contain pages* of other types. This gives an indication of how well fallbacks are being* contained by rmqueue_fallback(). It requires information from PAGE_OWNER* to determine what is going on
1529  返回:0