From: Matthew Wilcox <willy@infradead.org>
To: "Kuppuswamy,
Sathyanarayanan" <sathyanarayanan.kuppuswamy@linux.intel.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
"Rafael J . Wysocki" <rafael@kernel.org>,
Jonathan Corbet <corbet@lwn.net>,
Dan Williams <dan.j.williams@intel.com>,
Andi Kleen <ak@linux.intel.com>,
Kuppuswamy Sathyanarayanan <knsathya@kernel.org>,
linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org
Subject: Re: [PATCH v1] driver: base: Add driver filter support
Date: Wed, 4 Aug 2021 19:33:15 +0100 [thread overview]
Message-ID: <YQrda1yuRGXYLdT0@casper.infradead.org> (raw)
In-Reply-To: <0e20cad3-8ba4-71bc-5bfd-3246ef991c6d@linux.intel.com>
On Wed, Aug 04, 2021 at 11:29:31AM -0700, Kuppuswamy, Sathyanarayanan wrote:
>
>
> On 8/4/21 11:08 AM, Matthew Wilcox wrote:
> > Why use a doubly-linked-list here? An allocating xarray should perform
> > much better and use less memory.
>
> We don't expect the list to be too long. So we may not gain any significant
> advantage in terms of performance or memory when using alternate lists. Since
> linked list easier to use, we chose it.
It is not easier to use.
next prev parent reply other threads:[~2021-08-04 18:34 UTC|newest]
Thread overview: 44+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-08-04 17:43 [PATCH v1] driver: base: Add driver filter support Kuppuswamy Sathyanarayanan
2021-08-04 18:08 ` Matthew Wilcox
2021-08-04 18:29 ` Kuppuswamy, Sathyanarayanan
2021-08-04 18:33 ` Matthew Wilcox [this message]
2021-08-04 19:27 ` Andi Kleen
2021-08-04 18:45 ` Dan Williams
2021-08-04 19:29 ` Greg Kroah-Hartman
2021-08-04 19:50 ` Andi Kleen
2021-08-04 20:09 ` Kuppuswamy, Sathyanarayanan
2021-08-05 7:50 ` Greg Kroah-Hartman
2021-08-05 7:49 ` Greg Kroah-Hartman
2021-08-05 7:55 ` Greg Kroah-Hartman
2021-08-05 7:58 ` Greg Kroah-Hartman
2021-08-05 13:52 ` Andi Kleen
2021-08-05 17:51 ` Greg Kroah-Hartman
2021-08-05 17:58 ` Andi Kleen
2021-08-05 18:09 ` Greg Kroah-Hartman
2021-08-05 18:44 ` Andi Kleen
2021-08-05 19:01 ` Dan Williams
2021-08-05 19:08 ` Kuppuswamy, Sathyanarayanan
2021-08-05 19:28 ` Greg Kroah-Hartman
2021-08-05 21:10 ` Andi Kleen
2021-08-06 1:00 ` Dan Williams
2021-08-06 5:17 ` Greg Kroah-Hartman
2021-08-06 14:36 ` Dan Williams
2021-08-06 5:07 ` Greg Kroah-Hartman
2021-08-05 18:53 ` Kuppuswamy, Sathyanarayanan
2021-08-05 19:12 ` Greg Kroah-Hartman
2021-08-05 19:18 ` Dan Williams
2021-08-05 19:28 ` Greg Kroah-Hartman
2021-08-05 19:52 ` Dan Williams
2021-08-06 11:15 ` Jonathan Cameron
2021-08-05 16:37 ` Dan Williams
2021-08-05 17:25 ` Kuppuswamy, Sathyanarayanan
2021-08-05 17:48 ` Greg Kroah-Hartman
2021-08-05 17:52 ` Andi Kleen
2021-08-05 18:11 ` Greg Kroah-Hartman
2021-08-05 17:49 ` Greg Kroah-Hartman
2021-08-04 20:11 ` Dan Williams
2021-08-04 20:29 ` Kuppuswamy, Sathyanarayanan
2021-08-04 21:07 ` Matthew Wilcox
2021-08-04 21:28 ` Dan Williams
2021-08-05 4:45 ` Andi Kleen
2021-08-05 7:59 ` Greg Kroah-Hartman
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