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 16:35:38
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称:__alloc_pages_cpuset_fallback

函数原型:static inline struct page *__alloc_pages_cpuset_fallback(gfp_t gfp_mask, unsigned int order, unsigned int alloc_flags, const struct alloc_context *ac)

返回类型:struct page

参数:

类型参数名称
gfp_tgfp_mask
unsigned intorder
unsigned intalloc_flags
const struct alloc_context *ac
3766  page等于get_page_from_freelist goes through the zonelist trying to allocate* a page.
3772  如果非pagepage等于get_page_from_freelist goes through the zonelist trying to allocate* a page.
3776  返回:page
调用者
名称描述
__alloc_pages_may_oom
__alloc_pages_slowpath