linux-kernel - Re: [PATCH 2/7] arc: mm: enable MMU_GATHER_RCU_TABLE

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Message-ID: <4e120357-6fa3-436a-8474-b07b473381b6@kernel.org>
Date: Fri, 14 Nov 2025 15:10:02 -0800
From: Vineet Gupta <vgupta@...nel.org>
To: Qi Zheng <qi.zheng@...ux.dev>, will@...nel.org, aneesh.kumar@...nel.org,
 npiggin@...il.com, peterz@...radead.org, dev.jain@....com,
 akpm@...ux-foundation.org, david@...hat.com, ioworker0@...il.com
Cc: linux-arch@...r.kernel.org, linux-kernel@...r.kernel.org,
 linux-mm@...ck.org, linux-alpha@...r.kernel.org,
 linux-snps-arc@...ts.infradead.org, loongarch@...ts.linux.dev,
 linux-mips@...r.kernel.org, linux-parisc@...r.kernel.org,
 linux-um@...ts.infradead.org, Vineet Gupta <vgupta@...nel.org>
Subject: Re: [PATCH 2/7] arc: mm: enable MMU_GATHER_RCU_TABLE_FREE

On 11/14/25 03:20, Qi Zheng wrote:
> Strangely, it seems that only ARC does not define CONFIG_64BIT?
>
> Does the ARC architecture support 64-bit? Did I miss something?

ARC is 32-bit only !

-Vineet