Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:mm\percpu.c Create Date:2022-07-28 14:25:40
Last Modify:2022-05-23 13:52:24 Copyright©Brick
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Annotation kernel can get tool activityDownload SCCTChinese

Name:pcpu_chunk_slot

Proto:static int pcpu_chunk_slot(const struct pcpu_chunk *chunk)

Type:int

Parameter:

TypeParameterName
const struct pcpu_chunk *chunk
235  chunk_md = chunk_md
237  If free bytes in the chunk < PCPU_MIN_ALLOC_SIZE || contig hint for block == 0 Then Return 0
241  Return pcpu_size_to_slot(contig hint for block * PCPU_MIN_ALLOC_SIZE)
Caller
NameDescribe
pcpu_chunk_relocatepcpu_chunk_relocate - put chunk in the appropriate chunk slot*@chunk: chunk of interest*@oslot: the previous slot it was on* This function is called after an allocation or free changed @chunk
pcpu_alloc_areapcpu_alloc_area - allocates an area from a pcpu_chunk*@chunk: chunk of interest*@alloc_bits: size of request in allocation units*@align: alignment of area (max PAGE_SIZE)*@start: bit_off to start searching* This function takes in a @start offset to begin
pcpu_free_areapcpu_free_area - frees the corresponding offset*@chunk: chunk of interest*@off: addr offset into chunk* This function determines the size of an allocation to free using* the boundary bitmap and clears the allocation map.