linux-kernel - Re: [PATCH v4 7/8] mm: convert __HAVE_ARCH_TLB_REMOVE_TABLE to CONFIG_HAVE_ARCH_TLB_REMOVE

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Message-ID: <c24c32bd-085d-460a-833a-a982eb5becaa@kernel.org>
Date: Fri, 6 Feb 2026 13:59:20 +0100
From: "David Hildenbrand (Arm)" <david@...nel.org>
To: Qi Zheng <qi.zheng@...ux.dev>, andreas@...sler.com,
 richard.weiyang@...il.com, will@...nel.org, peterz@...radead.org,
 aneesh.kumar@...nel.org, npiggin@...il.com, dev.jain@....com,
 ioworker0@...il.com, linmag7@...il.com, akpm@...ux-foundation.org
Cc: linux-arch@...r.kernel.org, linux-kernel@...r.kernel.org,
 linux-mm@...ck.org, linux-alpha@...r.kernel.org, loongarch@...ts.linux.dev,
 linux-mips@...r.kernel.org, linux-parisc@...r.kernel.org,
 linux-um@...ts.infradead.org, sparclinux@...r.kernel.org,
 Qi Zheng <zhengqi.arch@...edance.com>
Subject: Re: [PATCH v4 7/8] mm: convert __HAVE_ARCH_TLB_REMOVE_TABLE to
 CONFIG_HAVE_ARCH_TLB_REMOVE_TABLE config

On 2/6/26 12:58, Qi Zheng wrote:
> 
> 
> On 2/6/26 7:45 PM, David Hildenbrand (Arm) wrote:
>> On 2/6/26 12:13, Qi Zheng wrote:
>>>
>>>
>>>
>>> Ah, It's just simply aligned with the MMU_GATHER_RCU_TABLE_FREE above.
>>
>> But does that work as expected for !SMP?
> 
> In the case of !SMP, tlb_remove_table() will not be called:
> 
> static inline void pgtable_free_tlb(struct mmu_gather *tlb, void *table, 
> bool is_page)
> {
>      pgtable_free(table, is_page);
> }

Ah, okay. Confusing stuff. Would have been nice to document/mention that 
in the patch description.

So if it compiles, all good

Acked-by: David Hildenbrand (Arm) <david@...nel.org>

-- 
Cheers,

David