Re: [PATCH] /proc/sys/kernel/pointer_size

From: David S. Miller (davem@redhat.com)
Date: Wed Jan 08 2003 - 17:37:52 EST


   From: Linus Torvalds <torvalds@transmeta.com>
   Date: Wed, 8 Jan 2003 13:03:14 -0800 (PST)

   On Wed, 8 Jan 2003, John Levon wrote:
> What other ways ? Dave M reasonably argued it wasn't part of the
> architecture's ABI, so did not have a place in the headers.
   
   You should certainly see it in "uname -a" output, for example.
   
Doesn't tell you the kernel pointer size. We fake the uname
output when a process runs as PERS_LINUX_32BIT which is what
we use to trick 'configure' and other build programs in order to
build 32-bit apps properly.

   Compile oprofile for the proper architecture if you do it yourself, and
   complain to the vendor if the vendor is stupid enough to supply a 32-bit
   oprofile with a 64-bit kernel.
   
   There is _no_ excuse to bloat the kernel for user mistakes.
   
There simply is no fully usable 64-bit userland on some of these
platforms.
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