Re: [PATCH/RFC v2 1/3] tlb: mmu_gather: introduce CONFIG_MMU_GATHER_TABLE_FREE_COMMON

To: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Subject: Re: [PATCH/RFC v2 1/3] tlb: mmu_gather: introduce CONFIG_MMU_GATHER_TABLE_FREE_COMMON
From: Nikita Yushchenko <nikita.yushchenko@xxxxxxxxxxxxx>
Date: Tue, 21 Dec 2021 18:42:45 +0300
Cc: Will Deacon <will@xxxxxxxxxx>, "Aneesh Kumar K.V" <aneesh.kumar@xxxxxxxxxxxxx>, Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>, Nick Piggin <npiggin@xxxxxxxxx>, Catalin Marinas <catalin.marinas@xxxxxxx>, Thomas Gleixner <tglx@xxxxxxxxxxxxx>, Ingo Molnar <mingo@xxxxxxxxxx>, Borislav Petkov <bp@xxxxxxxxx>, Dave Hansen <dave.hansen@xxxxxxxxxxxxxxx>, Arnd Bergmann <arnd@xxxxxxxx>, Sam Ravnborg <sam@xxxxxxxxxxxx>, x86@xxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, linux-arch@xxxxxxxxxxxxxxx, linux-mm@xxxxxxxxx, kernel@xxxxxxxxxx
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References: <20211218185205.1744125-1-nikita.yushchenko@virtuozzo.com> <20211218185205.1744125-2-nikita.yushchenko@virtuozzo.com> <YcHU1maQkp4VXZvS@hirez.programming.kicks-ass.net>
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+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

References:
- Re: [PATCH/RFC v2 1/3] tlb: mmu_gather: introduce CONFIG_MMU_GATHER_TABLE_FREE_COMMON
  - From: Peter Zijlstra