From: "David S. Miller" <davem@redhat.com>
To: Stephen Hemminger <shemminger@osdl.org>
Cc: netdev@oss.sgi.com
Subject: Re: [PATCH] (4/4) Support for lots of netdev's -- faster dev_alloc_name
Date: Fri, 6 Feb 2004 14:37:57 -0800 [thread overview]
Message-ID: <20040206143757.53cd8adb.davem@redhat.com> (raw)
In-Reply-To: <20040206101232.46bc30b1.shemminger@osdl.org>
On Fri, 6 Feb 2004 10:12:32 -0800
Stephen Hemminger <shemminger@osdl.org> wrote:
> Convert dev_alloc_name from O(n^2) lookup to O(n) by using a page as
> bitmap to figure out how many devices of that pattern have been allocated.
> This works for up to 32k devices (PAGE_SIZE*8) on i386, more on other
> platforms. Correctly handles the boundary cases where number of devices
> won't fit because name length is limited.
>
> Adds strnchr to the string libraries since we need to find the % format
> character, but only care if it is in the first 15 bytes.
Ok, applied, thanks Stephen.
prev parent reply other threads:[~2004-02-06 22:37 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-02-06 18:12 [PATCH] (4/4) Support for lots of netdev's -- faster dev_alloc_name Stephen Hemminger
2004-02-06 22:37 ` David S. Miller [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20040206143757.53cd8adb.davem@redhat.com \
--to=davem@redhat.com \
--cc=netdev@oss.sgi.com \
--cc=shemminger@osdl.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).