函数逻辑报告

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v5.5.9

Brick Technologies Co., Ltd

Source Code:lib\stackdepot.c Create Date:2022-07-27 08:19:39
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：init_stack_slab

函数原型：static bool init_stack_slab(void **prealloc)

返回类型：bool

参数：

类型参数名称
void **prealloc
76  如果非prealloc则返回:false
82  如果smp_load_acquire( & next_slab_inited)则返回:true
84  如果(stack_slabs[depot_index] == NULL)则
85  stack_slabs[depot_index]等于prealloc
86  * prealloc = NULL
87  否则
89  如果depot_index加1小于STACK_ALLOC_MAX_SLABS则
90  stack_slabs[depot_index + 1]等于prealloc
91  * prealloc = NULL
97  smp_store_release( & next_slab_inited, 1)
99  返回:true
调用者
名称描述
depot_alloc_stack
stack_depot_savestack_depot_save - Save a stack trace from an array*@entries: Pointer to storage array*@nr_entries: Size of the storage array*@alloc_flags: Allocation gfp flags* Return: The handle of the stack struct stored in depot