函数逻辑报告

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Brick Technologies Co., Ltd

Source Code:include\trace\events\kmem.h Create Date:2022-07-27 15:53:36
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：trace_mm_page_alloc_extfrag

函数原型：static inline void trace_mm_page_alloc_extfrag(struct page *page, int alloc_order, int fallback_order, int alloc_migratetype, int fallback_migratetype)

返回类型：void

参数：

类型参数名称
struct page *page
intalloc_order
intfallback_order
intalloc_migratetype
intfallback_migratetype

NULL

调用者
名称描述
__rmqueue_fallbackTry finding a free buddy page on the fallback list and put it on the free* list of requested migratetype, possibly along with other pages from the same* block, depending on fragmentation avoidance heuristics. Returns true if