Re: [PATCH v2 0/9] ioctl()-based API to query VMAs from /proc/<pid>/maps

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Subject: Re: [PATCH v2 0/9] ioctl()-based API to query VMAs from /proc/<pid>/maps
From: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Date: Fri, 24 May 2024 10:32:12 -0700
Cc: linux-fsdevel@xxxxxxxxxxxxxxx, brauner@xxxxxxxxxx, viro@xxxxxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, bpf@xxxxxxxxxxxxxxx, gregkh@xxxxxxxxxxxxxxxxxxx, linux-mm@xxxxxxxxx, liam.howlett@xxxxxxxxxx, surenb@xxxxxxxxxx, rppt@xxxxxxxxxx
In-reply-to: <20240524041032.1048094-1-andrii@kernel.org>

On Thu, 23 May 2024 21:10:22 -0700 Andrii Nakryiko <andrii@xxxxxxxxxx> wrote:

> Implement binary ioctl()-based interface to /proc/<pid>/maps file

Why an ioctl rather than a read() of (say) a sysfs file?

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