Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:include\trace\events\kmem.h Create Date:2022-07-28 14:28:59
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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Name:trace_mm_page_alloc_extfrag

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

Type:void

Parameter:

TypeParameterName
struct page *page
intalloc_order
intfallback_order
intalloc_migratetype
intfallback_migratetype

NULL

Caller
NameDescribe
__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