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 16:36:13
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：Determine whether to spread dirty pages and what the first usable zone

函数原型：static inline void finalise_ac(gfp_t gfp_mask, struct alloc_context *ac)

返回类型：void

参数：

类型参数名称
gfp_tgfp_mask
struct alloc_context *ac
4685  spread_dirty_pages等于gfp_mask按位与__GFP_WRITE
4692  preferred_zoneref等于 - Zoneref pointer for the first suitable zone found (see below)
调用者
名称描述
__alloc_pages_nodemaskThis is the 'heart' of the zoned buddy allocator.