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From: Rusty Russell <rusty@rustcorp.com.au>
To: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: torvalds@transmeta.com, linux-kernel@vger.kernel.org,
	k-suganuma@mvj.biglobe.ne.jp
Subject: Re: [PATCH] 2.5.21 Nonlinear CPU support
Date: Wed, 12 Jun 2002 18:01:28 +1000	[thread overview]
Message-ID: <E17I34K-0004dp-00@wagner.rustcorp.com.au> (raw)
In-Reply-To: Your message of "Wed, 12 Jun 2002 08:57:52 +0100." <E17I30q-00077h-00@the-village.bc.nu>

In message <E17I30q-00077h-00@the-village.bc.nu> you write:
> > --- linux-2.5.21.24110/fs/ntfs/compress.c	Sat May 25 14:34:53 2002
> >  		return -ENOMEM;
> > -	for (i = 0; i < smp_num_cpus; i++) {
> > +	for (i = 0; i < NR_CPUS; i++) {
> >  		ntfs_compression_buffers[i] = (u8*)vmalloc(NTFS_MAX_CB_SIZE);
> >  		if (!ntfs_compression_buffers[i])
> >  			break;
> 
> 2Mbytes !!!!!!
> 
> Add a cpu count changed notifier ?

There is one in the next patch, of course.  But with that patch you
also get cpu_possible():

	for (i = 0; i < NR_CPUS; i++) {
		if (!cpu_possible(i)) {
			ntfs_compression_buffers[i] = NULL;
			continue;
		}

Hope that clarifies,
Rusty.
--
  Anyone who quotes me in their sig is an idiot. -- Rusty Russell.

  reply	other threads:[~2002-06-12  8:00 UTC|newest]

Thread overview: 46+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2002-06-11  7:08 [PATCH] 2.5.21 Nonlinear CPU support Rusty Russell
2002-06-11  7:42 ` Andrew Morton
2002-06-11  9:09   ` Rusty Russell
2002-06-11  9:10     ` David S. Miller
2002-06-12  6:58       ` Rusty Russell
2002-06-12  9:26         ` David S. Miller
2002-06-13  5:01           ` Rusty Russell
2002-06-13  5:55             ` David S. Miller
2002-06-11  9:27     ` Andrew Morton
2002-06-11 11:22       ` Anton Altaparmakov
2002-06-12  5:57         ` Rusty Russell
2002-06-12  7:54           ` Anton Altaparmakov
2002-06-12  8:06             ` Rusty Russell
2002-06-12  8:25               ` Anton Altaparmakov
2002-06-12 19:32                 ` Linus Torvalds
2002-06-12 13:10               ` Mikael Pettersson
2002-06-13  2:42                 ` Rusty Russell
2002-06-12  0:53       ` Rusty Russell
2002-06-12  8:36       ` Helge Hafting
2002-06-11 10:57   ` Anton Altaparmakov
2002-06-11 17:59     ` Robert Love
2002-06-12  4:11       ` Rusty Russell
2002-06-11 19:29     ` Denis Vlasenko
2002-06-11 14:54       ` Anton Altaparmakov
2002-06-12 19:32         ` Denis Vlasenko
2002-06-12 15:08           ` Anton Altaparmakov
2002-06-12 17:36             ` Andreas Dilger
2002-06-12 18:34               ` Anton Altaparmakov
2002-06-12 19:39                 ` Andreas Dilger
2002-06-12 20:41                   ` Anton Altaparmakov
2002-06-12 21:03                     ` Andreas Dilger
2002-06-12 21:15                       ` Anton Altaparmakov
2002-06-12 20:03                 ` H. Peter Anvin
2002-06-12 20:54                   ` Robert Love
2002-06-12 20:57                   ` Anton Altaparmakov
2002-06-12 22:21                     ` H. Peter Anvin
2002-06-13  1:33                       ` Anton Altaparmakov
2002-06-13  1:38                         ` H. Peter Anvin
2002-06-13  1:45                           ` Anton Altaparmakov
2002-06-13  2:13                             ` H. Peter Anvin
2002-06-13  2:21                               ` Anton Altaparmakov
2002-06-13  8:43                             ` Helge Hafting
2002-06-11 18:01       ` Robert Love
2002-06-12  7:57 ` Alan Cox
2002-06-12  8:01   ` Rusty Russell [this message]
     [not found] <Pine.LNX.4.33.0206121226550.1533-100000@penguin.transmeta. com>
2002-06-12 21:29 ` Anton Altaparmakov

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