linux-kernel - Re: [PATCH 0/2] bio iter improvements

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Message-ID: <ZCrsbv+zKGf4jvUm@infradead.org>
Date:   Mon, 3 Apr 2023 08:10:38 -0700
From:   Christoph Hellwig <hch@...radead.org>
To:     Kent Overstreet <kent.overstreet@...ux.dev>
Cc:     Christoph Hellwig <hch@...radead.org>,
        linux-kernel@...r.kernel.org, linux-block@...r.kernel.org,
        willy@...radead.org, axboe@...nel.dk
Subject: Re: [PATCH 0/2] bio iter improvements

On Tue, Mar 28, 2023 at 04:28:08PM -0400, Kent Overstreet wrote:
> > Can you post a code size comparism for the before and after cases?
> 
> 6.2:
> kent@...ia:~/linux$ size ktest-out/kernel_build.x86_64/vmlinux
>    text    data     bss     dec     hex filename
> 13234215        5355074  872448 19461737        128f669 ktest-out/kernel_build.x86_64/vmlinux
> 
> With patches:
> kent@...ia:~/linux$ size ktest-out/kernel_build.x86_64/vmlinux
>    text    data     bss     dec     hex filename
> 13234215        5355578  872448 19462241        128f861 ktest-out/kernel_build.x86_64/vmlinux

So we have a slightly larger binary size, and a slighly larger source
code size.  What is the overall benefit of this conversion?