Re: [PATCH 1/2] fs/kernel_read_file: add support for duplicate detection

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To: Luis Chamberlain <mcgrof@xxxxxxxxxx>
Subject: Re: [PATCH 1/2] fs/kernel_read_file: add support for duplicate detection
From: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
Date: Wed, 24 May 2023 14:52:50 -0700
Cc: david@xxxxxxxxxx, tglx@xxxxxxxxxxxxx, hch@xxxxxx, patches@xxxxxxxxxxxxxxx, linux-modules@xxxxxxxxxxxxxxx, linux-mm@xxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, pmladek@xxxxxxxx, petr.pavlu@xxxxxxxx, prarit@xxxxxxxxxx, lennart@xxxxxxxxxxxxxx, gregkh@xxxxxxxxxxxxxxxxxxx, rafael@xxxxxxxxxx, song@xxxxxxxxxx, lucas.de.marchi@xxxxxxxxx, lucas.demarchi@xxxxxxxxx, christophe.leroy@xxxxxxxxxx, peterz@xxxxxxxxxxxxx, rppt@xxxxxxxxxx, dave@xxxxxxxxxxxx, willy@xxxxxxxxxxxxx, vbabka@xxxxxxx, mhocko@xxxxxxxx, dave.hansen@xxxxxxxxxxxxxxx, colin.i.king@xxxxxxxxx, jim.cromie@xxxxxxxxx, catalin.marinas@xxxxxxx, jbaron@xxxxxxxxxx, rick.p.edgecombe@xxxxxxxxx, yujie.liu@xxxxxxxxx
In-reply-to: <20230524213620.3509138-2-mcgrof@kernel.org>
References: <20230524213620.3509138-1-mcgrof@kernel.org> <20230524213620.3509138-2-mcgrof@kernel.org>

On Wed, May 24, 2023 at 2:36 PM Luis Chamberlain <mcgrof@xxxxxxxxxx> wrote:
>
> Add support for a new call which allows to detect duplicate requests
> for each inode passed.

No.

This is all disgusting.

Stop adding horrific code for some made-up load that isn't real.

           Linus

Follow-Ups:
- Re: [PATCH 1/2] fs/kernel_read_file: add support for duplicate detection
  - From: Christian Brauner
- Re: [PATCH 1/2] fs/kernel_read_file: add support for duplicate detection
  - From: Linus Torvalds
- Re: [PATCH 1/2] fs/kernel_read_file: add support for duplicate detection
  - From: Linus Torvalds

References:
- [PATCH 0/2] module: avoid all memory pressure due to duplicates
  - From: Luis Chamberlain
- [PATCH 1/2] fs/kernel_read_file: add support for duplicate detection
  - From: Luis Chamberlain

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