linux-kernel - Re: [PATCH v12 1/3] mm, powerpc, x86: define VM_PKEY_BITx bits if CONFIG_ARCH_HAS

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Message-ID: <a5481355-9630-7f63-15ce-2b12d1520979@intel.com>
Date:   Mon, 26 Feb 2018 13:12:46 -0800
From:   Dave Hansen <dave.hansen@...el.com>
To:     Ram Pai <linuxram@...ibm.com>, mpe@...erman.id.au,
        mingo@...hat.com, akpm@...ux-foundation.org
Cc:     linuxppc-dev@...ts.ozlabs.org, linux-mm@...ck.org, x86@...nel.org,
        linux-arch@...r.kernel.org, linux-kernel@...r.kernel.org,
        benh@...nel.crashing.org, paulus@...ba.org,
        khandual@...ux.vnet.ibm.com, aneesh.kumar@...ux.vnet.ibm.com,
        bsingharora@...il.com, hbabu@...ibm.com, mhocko@...nel.org,
        bauerman@...ux.vnet.ibm.com, ebiederm@...ssion.com, corbet@....net,
        arnd@...db.de, fweimer@...hat.com, msuchanek@...e.com
Subject: Re: [PATCH v12 1/3] mm, powerpc, x86: define VM_PKEY_BITx bits if
 CONFIG_ARCH_HAS_PKEYS is enabled

On 02/21/2018 03:52 PM, Ram Pai wrote:
> VM_PKEY_BITx are defined only if CONFIG_X86_INTEL_MEMORY_PROTECTION_KEYS
> is enabled. Powerpc also needs these bits. Hence lets define the
> VM_PKEY_BITx bits for any architecture that enables
> CONFIG_ARCH_HAS_PKEYS.

Your fixed version looks fine to me.

Reviewed-by: Dave Hansen <dave.hansen@...el.com>