From: nomura@hpc.bs1.fc.nec.co.jp
To: linux-ia64@vger.kernel.org
Subject: Re: [Linux-ia64] Re: Pagesize is different between IA32 and IA64
Date: Mon, 12 Nov 2001 08:59:48 +0000 [thread overview]
Message-ID: <marc-linux-ia64-105590698805467@msgid-missing> (raw)
In-Reply-To: <marc-linux-ia64-105590698805466@msgid-missing>
As a supplement to his report,
it seems that sys_brk() in mm/mmap.c uses PAGE_ALIGN and brk syscall in
ia32 emulation uses the sys_brk as it is.
Does this result in the situation that ia32 brk() behaves as if the page
size is 16KB, though in reality 4KB?
From: "Hideki Yamamoto" <hideki@hpc.bs1.fc.nec.co.jp>
Subject: [Linux-ia64] Re: Pagesize is different between IA32 and IA64
Date: Mon, 12 Nov 2001 17:29:53 +0900
> I think the solution of this problem is which
> following them
> - __getpagesize function should returns the real pagesize
> - It needs to prepare the another function that
> returns real pagesize for malloc instead.
>
> I have confirmed this problem, the Kernel version is
> 2.4.7 and the libc version is 2.2.4.
>
> This is a sample program.
Best regards.
--
NOMURA, Jun'ichi <j-nomura@ce.jp.nec.com, nomura@hpc.bs1.fc.nec.co.jp>
HPC Operating System Group, 1st Computers Software Division,
Computers Software Operations Unit, NEC Solutions.
prev parent reply other threads:[~2001-11-12 8:59 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-11-12 8:29 [Linux-ia64] Re: Pagesize is different between IA32 and IA64 Hideki Yamamoto
2001-11-12 8:59 ` nomura [this message]
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