pseudo_lock_region

函数名称：pseudo_lock_region_alloc - Allocate kernel memory that will be pseudo-locked*@plr: pseudo-lock region* Initialize the details required to set up the pseudo-locked region and* allocate the contiguous memory that will be pseudo-locked to the cache.

函数原型：static int pseudo_lock_region_alloc(struct pseudo_lock_region *plr)

返回类型：int

参数：

类型	参数	名称
struct pseudo_lock_region *	plr

348

ret等于pseudo_lock_region_init - Initialize pseudo-lock region information*@plr: pseudo-lock region* Called after user provided a schemata to be pseudo-locked. From the* schemata the &struct pseudo_lock_region is on entry already initialized

349

如果ret小于0则返回:ret

356

如果size大于Maximum allocatable size 则

357

rdt_last_cmd_puts("Requested region exceeds maximum size\n")

358

ret等于负E2BIG

359

转到:out_region

362

kmem等于分配内存并置零

363

如果非kmem则

364

rdt_last_cmd_puts("Unable to allocate memory\n")

365

ret等于负ENOMEM

366

转到:out_region

369

ret等于0

370

转到:out

371

out_region :

372

pseudo_lock_region_clear - Reset pseudo-lock region data*@plr: pseudo-lock region* All content of the pseudo-locked region is reset - any memory allocated* freed.* Return: void

373

out :

374

返回:ret

**调用者**
名称	描述
rdtgroup_pseudo_lock_create	dtgroup_pseudo_lock_create - Create a pseudo-locked region@rdtgrp: resource group to which pseudo-lock region belongs Called when a resource group in the pseudo-locksetup mode receives a* valid schemata that should be pseudo-locked

源代码转换工具开放的插件接口	X
支持：c/c++/esqlc/java Oracle/Informix/Mysql 插件可实现：逻辑报告代码生成和批量转换代码

函数逻辑报告