Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:lib\bitmap.c Create Date:2022-07-28 06:20:33
Last Modify:2020-03-12 14:18:49 Copyright©Brick
home page Tree
Annotation kernel can get tool activityDownload SCCTChinese

Name:map_allocate_region - allocate bitmap region*@bitmap: array of unsigned longs corresponding to the bitmap*@pos: beginning of bit region to allocate*@order: region size (log base 2 of number of bits) to allocate

Proto:int bitmap_allocate_region(unsigned long *bitmap, unsigned int pos, int order)

Type:int

Parameter:

TypeParameterName
unsigned long *bitmap
unsigned intpos
intorder
1154  If Not __reg_op(bitmap, pos, order, REG_OP_ISFREE) Then Return -EBUSY
1156  Return __reg_op(bitmap, pos, order, REG_OP_ALLOC)