From: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
To: Pedro Ribeiro <pedrib@gmail.com>
Cc: linux-usb@vger.kernel.org, Alan Stern <stern@rowland.harvard.edu>,
Andi Kleen <andi@firstfloor.org>,
linux-kernel@vger.kernel.org, akpm@linux-foundation.org,
Greg KH <gregkh@suse.de>,
alsa-devel@alsa-project.org
Subject: Re: [LKML] Re: USB transfer_buffer allocations on 64bit systems
Date: Wed, 14 Apr 2010 09:18:22 -0400 [thread overview]
Message-ID: <20100414131822.GC17171@phenom.dumpdata.com> (raw)
In-Reply-To: <t2w74fd948d1004140347k3447bffapb73856eacddfde55@mail.gmail.com>
> So basically the BIOS is incorrectly reporting
> BIOS-e820: 0000000100000000 - 000000013c000000 (usable)
No. Count up the the sizes of the (usuable) entries. You will see
that when you provided mem=4GB, the E820 got truncated to stop at 4GB.
Without that it goes past the 4GB mark (which is correct).
Keep in mind, 4GB doesn't mean your usuable memory stops at 4GB. The
BIOS shuffles the memory around to stick in the BIOS, ACPI, PCI hole so
that part of the usable memory is above 4GB.
next prev parent reply other threads:[~2010-04-14 13:21 UTC|newest]
Thread overview: 138+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-04-07 9:06 USB transfer_buffer allocations on 64bit systems Daniel Mack
[not found] ` <p2g581ef6d61004070220z1153d40ez955b356e01220848@mail.gmail.com>
2010-04-07 9:26 ` USB HID gadget driver (was: Re: USB transfer_buffer allocations on 64bit systems) Daniel Mack
2010-04-07 14:59 ` USB transfer_buffer allocations on 64bit systems Alan Stern
2010-04-07 15:11 ` Daniel Mack
2010-04-07 15:31 ` Greg KH
2010-04-07 15:35 ` Daniel Mack
2010-04-07 15:51 ` Greg KH
2010-04-07 16:04 ` Alan Stern
2010-04-08 6:09 ` Oliver Neukum
2010-04-08 11:07 ` Daniel Mack
2010-04-07 15:55 ` Alan Stern
2010-04-07 16:16 ` Daniel Mack
2010-04-07 16:47 ` Alan Stern
2010-04-07 17:55 ` Takashi Iwai
2010-04-07 17:59 ` Daniel Mack
2010-04-07 18:06 ` Takashi Iwai
2010-04-07 19:13 ` Alan Stern
2010-04-07 23:59 ` Robert Hancock
2010-04-08 0:33 ` Greg KH
2010-04-09 0:01 ` Robert Hancock
2010-04-09 16:50 ` Sarah Sharp
2010-04-09 23:38 ` Robert Hancock
2010-04-10 8:34 ` [alsa-devel] " Daniel Mack
2010-04-10 17:02 ` Robert Hancock
2010-04-12 18:56 ` Sarah Sharp
2010-04-12 20:39 ` Robert Hancock
2010-04-12 20:58 ` Sarah Sharp
2010-04-12 11:17 ` [PATCH] USB: rename usb_buffer_alloc() and usb_buffer_free() Daniel Mack
2010-04-13 18:16 ` Daniel Mack
2010-04-13 19:27 ` Alan Stern
2010-04-13 20:26 ` Greg KH
2010-04-13 21:47 ` Daniel Mack
2010-04-07 17:52 ` USB transfer_buffer allocations on 64bit systems Takashi Iwai
2010-04-07 15:46 ` Alan Stern
2010-04-08 6:12 ` Oliver Neukum
2010-04-08 16:59 ` Alan Stern
2010-04-08 21:24 ` Oliver Neukum
2010-04-08 22:20 ` Alan Stern
2010-04-09 6:04 ` Oliver Neukum
2010-04-09 14:41 ` Alan Stern
2010-04-09 14:50 ` Oliver Neukum
2010-04-09 15:15 ` Alan Stern
2010-04-09 20:51 ` Oliver Neukum
2010-04-09 21:21 ` Alan Stern
2010-04-07 16:54 ` Oliver Neukum
2010-04-07 17:00 ` Daniel Mack
2010-04-07 23:55 ` Robert Hancock
2010-04-08 2:10 ` Alan Stern
2010-04-08 7:30 ` Daniel Mack
2010-04-08 16:57 ` Alan Stern
2010-04-08 17:17 ` Pedro Ribeiro
2010-04-08 18:17 ` Alan Stern
2010-04-08 23:13 ` Pedro Ribeiro
2010-04-09 16:01 ` Alan Stern
2010-04-09 18:09 ` Daniel Mack
2010-04-09 18:19 ` Pedro Ribeiro
2010-04-09 19:34 ` Alan Stern
2010-04-09 20:14 ` Daniel Mack
2010-04-09 20:25 ` [LKML] " Konrad Rzeszutek Wilk
2010-04-09 21:23 ` Alan Stern
2010-04-09 22:11 ` Robert Hancock
2010-04-12 10:48 ` Daniel Mack
2010-04-12 12:06 ` Pedro Ribeiro
2010-04-10 12:49 ` Daniel Mack
2010-04-10 13:21 ` Pedro Ribeiro
2010-04-12 8:59 ` Andi Kleen
2010-04-12 11:14 ` Daniel Mack
2010-04-12 11:53 ` Andi Kleen
2010-04-12 12:11 ` Pedro Ribeiro
2010-04-12 12:12 ` Andi Kleen
2010-04-12 12:32 ` Daniel Mack
2010-04-12 12:47 ` Andi Kleen
2010-04-12 12:54 ` Daniel Mack
2010-04-12 15:43 ` Andi Kleen
2010-04-12 16:17 ` Alan Stern
2010-04-12 16:29 ` Andi Kleen
2010-04-12 16:57 ` Alan Stern
2010-04-12 17:15 ` Daniel Mack
2010-04-12 17:22 ` Andi Kleen
2010-04-12 17:56 ` Daniel Mack
2010-04-12 17:52 ` [LKML] " Konrad Rzeszutek Wilk
2010-04-13 18:22 ` Daniel Mack
2010-04-13 23:46 ` Pedro Ribeiro
2010-04-14 10:09 ` Daniel Mack
2010-04-14 10:47 ` Pedro Ribeiro
2010-04-14 11:02 ` Pedro Ribeiro
2010-04-14 13:18 ` Konrad Rzeszutek Wilk [this message]
2010-04-14 14:08 ` Alan Stern
2010-04-14 16:36 ` Daniel Mack
2010-04-14 17:21 ` Pedro Ribeiro
2010-04-14 18:23 ` Alan Stern
2010-04-14 18:27 ` Pedro Ribeiro
2010-04-14 18:53 ` Alan Stern
2010-04-15 7:35 ` Daniel Mack
2010-04-14 18:15 ` Alan Stern
2010-04-14 18:36 ` David Woodhouse
2010-04-14 21:12 ` Pedro Ribeiro
2010-04-14 22:25 ` Chris Wright
2010-04-14 22:56 ` Pedro Ribeiro
2010-04-14 23:37 ` Chris Wright
2010-04-15 1:20 ` Pedro Ribeiro
2010-04-15 15:20 ` Alan Stern
2010-04-20 0:16 ` Pedro Ribeiro
2010-05-07 7:48 ` Daniel Mack
2010-05-07 9:47 ` [alsa-devel] " Clemens Ladisch
2010-05-07 10:24 ` Daniel Mack
2010-05-07 14:51 ` Alan Stern
2010-05-10 2:50 ` FUJITA Tomonori
2010-05-10 9:21 ` David Woodhouse
2010-05-10 14:58 ` Alan Stern
2010-05-11 1:06 ` FUJITA Tomonori
2010-05-11 14:00 ` Alan Stern
2010-05-11 14:22 ` FUJITA Tomonori
2010-05-11 14:24 ` Konrad Rzeszutek Wilk
2010-05-11 14:38 ` FUJITA Tomonori
2010-05-11 15:04 ` Alan Stern
2010-05-11 15:34 ` FUJITA Tomonori
2010-05-11 16:06 ` Alan Stern
2010-05-11 16:09 ` Daniel Mack
2010-05-11 16:48 ` Pedro Ribeiro
2010-05-11 17:10 ` Daniel Mack
2010-05-11 17:32 ` Pedro Ribeiro
2010-05-11 17:38 ` Daniel Mack
2010-05-12 23:50 ` Pedro Ribeiro
2010-05-13 9:36 ` Daniel Mack
2010-05-14 0:17 ` Pedro Ribeiro
2010-05-11 14:57 ` Alan Stern
2010-05-11 15:05 ` Daniel Mack
2010-05-10 14:31 ` Konrad Rzeszutek Wilk
2010-05-07 11:42 ` Oliver Neukum
2010-05-07 11:47 ` Oliver Neukum
2010-05-07 11:58 ` Daniel Mack
2010-05-07 14:45 ` Alan Stern
2010-04-14 18:38 ` Chris Wright
2010-04-14 20:29 ` Alan Stern
2010-04-14 21:01 ` Konrad Rzeszutek Wilk
2010-04-14 21:12 ` Pedro Ribeiro
2010-04-15 1:50 ` Alan Stern
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=20100414131822.GC17171@phenom.dumpdata.com \
--to=konrad.wilk@oracle.com \
--cc=akpm@linux-foundation.org \
--cc=alsa-devel@alsa-project.org \
--cc=andi@firstfloor.org \
--cc=gregkh@suse.de \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-usb@vger.kernel.org \
--cc=pedrib@gmail.com \
--cc=stern@rowland.harvard.edu \
/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