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From: Andrea Arcangeli <andrea@suse.de>
To: Josue Emmanuel Amaro <Josue.Amaro@oracle.com>
Cc: Linux-Kernel <linux-kernel@vger.kernel.org>
Subject: Re: Value of TASK_UNMAPPED_SIZE on 2.4
Date: Fri, 3 Nov 2000 20:37:43 +0100	[thread overview]
Message-ID: <20001103203743.E15284@athlon.random> (raw)
In-Reply-To: <3A030EE2.92DC3F2@oracle.com>
In-Reply-To: <3A030EE2.92DC3F2@oracle.com>; from Josue.Amaro@oracle.com on Fri, Nov 03, 2000 at 11:15:46AM -0800

On Fri, Nov 03, 2000 at 11:15:46AM -0800, Josue Emmanuel Amaro wrote:
> (page.h).  This works out to be a value of 0x4000000.
						      ^ one more zero here
> Are there any negative side effects in defining TASK_UNMAPPED_SIZE to 0x1000000?

I guess you mean 0x10000000. There's no risk in doing that. I also did another
patch that moves the kernel away and allows 3.5G per process on IA32 via plain
mmap or shmat, but it has the downside of reducing a lot the ZONE_NORMAL where
on IA32 buffercache and skb still lives.

Andrea
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  reply	other threads:[~2000-11-03 19:38 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2000-11-03 19:15 Value of TASK_UNMAPPED_SIZE on 2.4 Josue Emmanuel Amaro
2000-11-03 19:37 ` Andrea Arcangeli [this message]
2000-11-04  7:39 ` Josue Emmanuel Amaro
     [not found] <fa.d4dt9vv.1gm6abv@ifi.uio.no>
     [not found] ` <fa.ebii26v.1mgevrq@ifi.uio.no>
2000-11-03 20:27   ` Kai Harrekilde-Petersen
2000-11-03 20:46     ` Andrea Arcangeli
2000-11-03 22:36       ` Josue Emmanuel Amaro
2000-11-20  2:09         ` Andrea Arcangeli
  -- strict thread matches above, loose matches on Subject: below --
2000-11-04  1:09 Julian Anastasov
2000-11-04  0:51 ` Andrea Arcangeli
2000-11-04 10:37   ` Julian Anastasov

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