From: Matthew Wilcox <willy@infradead.org>
To: Kassey Li <quic_yingangl@quicinc.com>
Cc: akpm@linux-foundation.org, minchan@kernel.org,
iamjoonsoo.kim@lge.com, linux-kernel@vger.kernel.org,
linux-mm@kvack.org
Subject: Re: [PATCH] mm/page_owner.c: allow page_owner with given start_pfn/count
Date: Fri, 22 Jul 2022 16:38:04 +0100 [thread overview]
Message-ID: <YtrEXB6o+VROImdg@casper.infradead.org> (raw)
In-Reply-To: <20220722150810.27740-1-quic_yingangl@quicinc.com>
On Fri, Jul 22, 2022 at 11:08:10PM +0800, Kassey Li wrote:
> by default, page_owner iterates all page from min_low_pfn to
> max_pfn, this cost too much time if we want an alternative pfn range.
>
> with this patch it allows user to set pfn range to dump the page_onwer.
This is a really bad UI. If two users try to do different ranges at the
same time, it'll go wrong. What use cases are you actually trying to
solve?
next prev parent reply other threads:[~2022-07-22 15:38 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-07-22 15:08 [PATCH] mm/page_owner.c: allow page_owner with given start_pfn/count Kassey Li
2022-07-22 15:38 ` Matthew Wilcox [this message]
2022-07-25 8:39 ` Kassey Li
2022-07-26 14:03 ` Vlastimil Babka (SUSE)
2022-07-27 7:44 ` Kassey Li
2022-07-27 10:59 ` Vlastimil Babka (SUSE)
2022-07-27 12:58 ` Kassey Li
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