函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:mm\mempolicy.c Create Date:2022-07-27 17:03:33
Last Modify:2020-03-17 22:28:11 Copyright©Brick
首页 函数Tree
注解内核,赢得工具下载SCCTEnglish

函数名称：mpol_rebind_policy - Migrate a policy to a different set of nodes* Per-vma policies are protected by mmap_sem. Allocations using per-task* policies are protected by task->mems_allowed_seq to prevent a premature

函数原型：static void mpol_rebind_policy(struct mempolicy *pol, const nodemask_t *newmask)

返回类型：void

参数：

类型参数名称
struct mempolicy *pol
const nodemask_t *newmask
351  如果非pol则返回
353  如果非mpol_store_user_nodemask(pol)且非See set_mempolicy() MPOL_F_* above 按位与preferred local allocation 的值且nodes_equal( relative to these nodes , * newmask)则返回
357  rebind(pol, newmask)
调用者
名称描述
mpol_rebind_taskWrapper for mpol_rebind_policy() that just requires task* pointer, and updates task mempolicy.* Called with task's alloc_lock held.
mpol_rebind_mmRebind each vma in mm to new nodemask.* Call holding a reference to mm. Takes mm->mmap_sem during call.
__mpol_dupSlow path of a mempolicy duplicate