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

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Message-ID: <f7bd2dc1-e7a5-4e80-9cad-2acac8065876@linux.dev>
Date: Sat, 15 Nov 2025 17:08:35 +0800
From: Qi Zheng <qi.zheng@...ux.dev>
To: Vineet Gupta <vgupta@...nel.org>, 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
Subject: Re: [PATCH 2/7] arc: mm: enable MMU_GATHER_RCU_TABLE_FREE



On 11/15/25 7:10 AM, Vineet Gupta wrote:
> 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 !

Got it! Will drop this patch in the next version.

Thanks!

> 
> -Vineet