linux-kernel - Re: [PATCH/RFC v2 1/3] tlb: mmu_gather: introduce CONFIG_MMU_GATHER_TABLE_FREE

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Message-ID: <89d10f73-dca3-844b-d42d-26da8dc4c65e@virtuozzo.com>
Date:   Tue, 21 Dec 2021 18:42:45 +0300
From:   Nikita Yushchenko <nikita.yushchenko@...tuozzo.com>
To:     Peter Zijlstra <peterz@...radead.org>
Cc:     Will Deacon <will@...nel.org>,
        "Aneesh Kumar K.V" <aneesh.kumar@...ux.ibm.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Nick Piggin <npiggin@...il.com>,
        Catalin Marinas <catalin.marinas@....com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>,
        Dave Hansen <dave.hansen@...ux.intel.com>,
        Arnd Bergmann <arnd@...db.de>, Sam Ravnborg <sam@...nborg.org>,
        x86@...nel.org, linux-kernel@...r.kernel.org,
        linux-arch@...r.kernel.org, linux-mm@...ck.org, kernel@...nvz.org
Subject: Re: [PATCH/RFC v2 1/3] tlb: mmu_gather: introduce
 CONFIG_MMU_GATHER_TABLE_FREE_COMMON

>> +config MMU_GATHER_TABLE_FREE_COMMON
>> +	bool
> 
> I don't like that name... The point isn't that it's common, the point is
> that the page-table's are backed by pages.

What is a better name?

MMU_GATHER_TABLE_FREE_PAGES?

MMU_GATHER_TABLE_FREE_PAGES_BACKED?

Nikita