linux-kernel - Re: [PATCH 3/7] loongarch: mm: enable MMU_GATHER_RCU_TABLE

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Message-ID: <CAAhV-H73vNhjZqsDq0KGJD_PC2LtM39XAG-aZtvE=tphrQ8dJA@mail.gmail.com>
Date: Mon, 17 Nov 2025 14:57:47 +0800
From: Huacai Chen <chenhuacai@...nel.org>
To: Qi Zheng <qi.zheng@...ux.dev>
Cc: 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, 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, Qi Zheng <zhengqi.arch@...edance.com>, 
	WANG Xuerui <kernel@...0n.name>
Subject: Re: [PATCH 3/7] loongarch: mm: enable MMU_GATHER_RCU_TABLE_FREE

On Mon, Nov 17, 2025 at 2:42 PM Qi Zheng <qi.zheng@...ux.dev> wrote:
>
> Hi Huacai,
>
> On 11/14/25 10:17 PM, Huacai Chen wrote:
> > Hi, Qi Zheng,
>
> [...]
>
> >>
> >> -#define __pmd_free_tlb(tlb, x, addr)   pmd_free((tlb)->mm, x)
> >> +#define __pmd_free_tlb(tlb, x, addr)   \
> >> +       tlb_remove_ptdesc((tlb), virt_to_ptdesc(x))
> > I think we can define it in one line.
>
> Do we need to change __pte_free_tlb() to a single-line format
> as well?
Yes, there is no 80 columns limit now.

Huacai

>
> Thanks,
> Qi
>
>
> >>
>
>