函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:include\linux\compaction.h Create Date:2022-07-27 10:05:58
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：compaction_suitable

函数原型：static inline enum compact_result compaction_suitable(struct zone *zone, int order, int alloc_flags, int classzone_idx)

返回类型：enum compact_result

参数：

类型参数名称
struct zone *zone
intorder
intalloc_flags
intclasszone_idx
195  返回:COMPACT_SKIPPED
调用者
名称描述
should_continue_reclaimReclaim/compaction is used for high-order allocation requests. It reclaims* order-0 pages before compacting the zone. should_continue_reclaim() returns* true if more pages should be reclaimed such that when the page allocator
compaction_readyReturns true if compaction should go ahead for a costly-order request, or* the allocation would already succeed without compaction. Return false if we* should reclaim first.