Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:mm\mempolicy.c Create Date:2022-07-28 15:30:56
Last Modify:2020-03-17 22:28:11 Copyright©Brick
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Name: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

Proto:static void mpol_rebind_policy(struct mempolicy *pol, const nodemask_t *newmask)

Type:void

Parameter:

TypeParameterName
struct mempolicy *pol
const nodemask_t *newmask
351  If Not pol Then Return
353  If Not mpol_store_user_nodemask(pol) && Not (See set_mempolicy() MPOL_F_* above & preferred local allocation ) && nodes_equal( relative to these nodes , * newmask) Then Return
357  rebind(pol, newmask)
Caller
NameDescribe
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