Function report |
Source Code:kernel\sched\cpupri.c |
Create Date:2022-07-28 09:41:25 |
| Last Modify:2020-03-12 14:18:49 | Copyright©Brick |
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| Annotation kernel can get tool activity | Download SCCT | Chinese |
Name:pupri_init - initialize the cpupri structure*@cp: The cpupri context* Return: -ENOMEM on memory allocation failure.
Proto:int cpupri_init(struct cpupri *cp)
Type:int
Parameter:
| Type | Parameter | Name |
|---|---|---|
| struct cpupri * | cp |
| 203 | When i < SPDX-License-Identifier: GPL-2.0 cycle |
| 204 | vec = pri_to_cpu[i] |
| 206 | atomic_set( & count, 0) |
| 207 | If Not zalloc_cpumask_var( & mask, GFP_KERNEL) Then Go to cleanup |
| 211 | cpu_to_pri = kcalloc - allocate memory for an array. The memory is set to zero.*@n: number of elements.*@size: element size.*@flags: the type of memory to allocate (see kmalloc). |
| 212 | If Not cpu_to_pri Then Go to cleanup |
| 215 | for_each_possible_cpu(i) |
| 216 | cpu_to_pri[i] = CPUPRI_INVALID |
| 218 | Return 0 |
| 220 | cleanup : |
| 221 | When i >= 0 cycle free_cpumask_var(mask) |
| 223 | Return -ENOMEM |
| Name | Describe |
|---|---|
| init_rootdomain |
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