From: Petr Vorel <pvorel@suse.cz>
To: Stefan Roesch <shr@devkernel.io>
Cc: kernel-team@fb.com, david@redhat.com, oliver.sang@intel.com,
linux-mm@kvack.org, ltp@lists.linux.it, liwang@redhat.com
Subject: Re: [PATCH v4 2/2] add ksm test for smart-scan feature
Date: Tue, 5 Dec 2023 21:11:39 +0100 [thread overview]
Message-ID: <20231205201139.GA128077@pevik> (raw)
In-Reply-To: <20231205180952.3843711-3-shr@devkernel.io>
Hi Stefan,
> This adds a new ksm (kernel samepage merging) test to evaluate the new
> smart scan feature. It allocates a page and fills it with 'a'
> characters. It captures the pages_skipped counter, waits for a few
> iterations and captures the pages_skipped counter again. The expectation
> is that over 50% of the page scans are skipped (There is only one page
> that has KSM enabled and it gets scanned during each iteration and it
> cannot be de-duplicated).
Thanks a lot, merged. We really appreciate when kernel developers writing new
tests.
(The previous patch was merged already as v3).
Kind regards,
Petr
prev parent reply other threads:[~2023-12-05 20:11 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-12-05 18:09 [PATCH v4 0/2] KSM: support " Stefan Roesch
2023-12-05 18:09 ` [PATCH v4 1/2] mem: disable KSM smart scan for ksm tests Stefan Roesch
2023-12-05 18:09 ` [PATCH v4 2/2] add ksm test for smart-scan feature Stefan Roesch
2023-12-05 20:11 ` Petr Vorel [this message]
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