linux-kernel - Re: [PATCH] proc: export page young and skip_kasan

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Message-ID: <YpkBQTWWUuOzagvd@casper.infradead.org>
Date:   Thu, 2 Jun 2022 19:28:17 +0100
From:   Matthew Wilcox <willy@...radead.org>
To:     Xin Hao <xhao@...ux.alibaba.com>
Cc:     changbin.du@...el.com, sashal@...nel.org,
        akpm@...ux-foundation.org, adobriyan@...il.com,
        linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] proc: export page young and skip_kasan_poison flag via
 kpageflags

On Thu, Jun 02, 2022 at 11:43:02PM +0800, Xin Hao wrote:
> Now the young and skip_kasan_poison flag are supported in

Why do we want userspace to know about whether skip_kasan_poison is set?
That seems like a kernel-internal detail to me.