函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:include\linux\idr.h Create Date:2022-07-27 06:45:03
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称:da_alloc() - Allocate an unused ID.*@ida: IDA handle.*@gfp: Memory allocation flags.* Allocate an ID between 0 and %INT_MAX, inclusive.* Context: Any context.* Return: The allocated ID, or %-ENOMEM if memory could not be allocated,

函数原型:static inline int ida_alloc(struct ida *ida, gfp_t gfp)

返回类型:int

参数:

类型参数名称
struct ida *ida
gfp_tgfp
272  返回:da_alloc_range() - Allocate an unused ID.*@ida: IDA handle.*@min: Lowest ID to allocate.*@max: Highest ID to allocate.*@gfp: Memory allocation flags.* Allocate an ID between @min and @max, inclusive. The allocated ID will
调用者
名称描述
ida_check_allocStraightforward checks that allocating and freeing IDs work.
ida_check_leafCheck what happens when we fill a leaf and then delete it. This may* discover mishandling of IDR_FREE.
ida_check_convCheck handling of conversions between exceptional entries and full bitmaps.
memregion_alloc
mnt_alloc_id