PR sync from: Wupeng Ma mawupeng1@huawei.com
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/YFCX7GP54BOBMPOHCC2TY5SVT35F5GVM/
From: Ma Wupeng mawupeng1@huawei.com

Enhanced maintenance and test capability for pbha.
Enable ARM64_PBHA by default.

Changelog since v2:

• make PM_PBHA_BIT0 0 if CONFIG_ARM64_PBHA is not enabled

Changelog since v1:

• let {pte,pmd}_pbha return false if pbha is not enabled

Ma Wupeng (7):
proc: introduce proc_hide_ents to hide proc files
arm64: mm: Cleanup in pbha_bit0_pte_range
mm: cpufeature: Make update_pbha_perf_only_bit static
arm64: mm: Do not show info during startup if pbha is not enabled
arm64: mm: Hide pbha_bit0 in procfs if pbha is not enabled
arm64: mm: pagemap: Export pbha bit0 info
config: Enable ARM64_PBHA by default

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2.25.1

https://gitee.com/openeuler/kernel/issues/I96IZH