From mboxrd@z Thu Jan  1 00:00:00 1970
Subject: Re: TLB flush optimization on s/390.
Message-ID: <OF6AFB1404.2D92608A-ONC1256DBB.002F0E43-C1256DBB.002F5F7D@de.ibm.com>
From: "Martin Schwidefsky" <schwidefsky@de.ibm.com>
Date: Fri, 10 Oct 2003 10:37:26 +0200
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Sender: owner-linux-mm@kvack.org
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To: "David S. Miller" <davem@redhat.com>
Cc: akpm@osdl.org, linux-arch@vger.kernel.org, linux-mm@kvack.org, willy@debian.org
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> On at least x86 and sparc it makes it so that GCC cannot allocate
> enough registers and it has to reload several values to the
> stack.

And the function call overhead is smaller then the register spilling
on the stack ?!? I'm a bit surprised by this but I take you word
for it.

blue skies,
   Martin


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