From: Bernhard Walle <bwalle@suse.de>
To: Dave Hansen <haveblue@us.ibm.com>
Cc: linux-kernel@vger.kernel.org, kexec@lists.infradead.org,
akpm@linux-foundation.org, ak@suse.de
Subject: Re: [patch 2/3] Introduce BOOTMEM_EXCLUSIVE
Date: Tue, 16 Oct 2007 20:44:40 +0200 [thread overview]
Message-ID: <20071016184440.GA19844@suse.de> (raw)
In-Reply-To: <1192558097.17464.15.camel@localhost>
Hi,
* Dave Hansen <haveblue@us.ibm.com> [2007-10-16 20:08]:
> On Tue, 2007-10-16 at 18:28 +0200, Bernhard Walle wrote:
> >
> > @@ -736,7 +736,7 @@ static int __init smp_scan_config (unsig
> > smp_found_config = 1;
> > printk(KERN_INFO "found SMP MP-table at %08lx\n",
> > virt_to_phys(mpf));
> > - reserve_bootmem(virt_to_phys(mpf), PAGE_SIZE);
> > + reserve_bootmem(virt_to_phys(mpf), PAGE_SIZE, 0);
> > if (mpf->mpf_physptr) {
> > /*
>
> Could you give all of these 0's a name? I really hate seeing random
> magic numbers in these things. 0 completely kills the ability of
> someone to read the code and figure out what it is trying to do without
> going and looking at reserve_bootmem().
Of course I can replace that zeroes with something like BOOTMEM_DEFAULT.
> Or, alternatively, do something like this:
>
> -extern void reserve_bootmem(unsigned long addr, unsigned long size);
Andi was against more bootmem functions. ;)
Thanks,
Bernhard
next prev parent reply other threads:[~2007-10-16 18:44 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-10-16 16:28 [patch 0/3] Protect crashkernel against BSS overlap Bernhard Walle
2007-10-16 16:28 ` [patch 1/3] Add BSS to resource tree Bernhard Walle
2007-10-16 16:28 ` [patch 2/3] Introduce BOOTMEM_EXCLUSIVE Bernhard Walle
2007-10-16 18:08 ` Dave Hansen
2007-10-16 18:44 ` Bernhard Walle [this message]
2007-10-16 18:58 ` Dave Hansen
2007-10-17 11:05 ` Vivek Goyal
2007-10-17 11:36 ` Bernhard Walle
2007-10-18 4:32 ` Vivek Goyal
2007-10-18 11:15 ` Bernhard Walle
2007-10-16 16:29 ` [patch 3/3] Use BOOTMEM_EXCLUSIVE on x86 Bernhard Walle
-- strict thread matches above, loose matches on Subject: below --
2007-10-18 11:15 [patch 0/3] Protect crashkernel against BSS overlap Bernhard Walle
2007-10-18 11:15 ` [patch 2/3] Introduce BOOTMEM_EXCLUSIVE Bernhard Walle
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=20071016184440.GA19844@suse.de \
--to=bwalle@suse.de \
--cc=ak@suse.de \
--cc=akpm@linux-foundation.org \
--cc=haveblue@us.ibm.com \
--cc=kexec@lists.infradead.org \
--cc=linux-kernel@vger.kernel.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