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David Mosberger <davidm@napali.hpl.hp.com> writes: >>>>>> On Thu, 03 Oct 2002 15:30:56 -0700, Ulrich Drepper <drepper@redhat.com> said: > > Uli> -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 > > > >> Uli, do you have any other feedback or are you OK with it? > > Uli> The header still isn't right. You cannot have the hidden > Uli> macros in there. And the function prototypes are missing > Uli> __THROW. > > OK, how is this? > [...] > Index: sysdeps/unix/sysv/linux/Versions > =================================================================== > RCS file: /cvs/glibc/libc/sysdeps/unix/sysv/linux/Versions,v > retrieving revision 1.18 > diff -u -r1.18 Versions > --- sysdeps/unix/sysv/linux/sysdeps/unix/sysv/linux/Versions 30 Aug 2002 01:30:55 -0000 1.18 > +++ sysdeps/unix/sysv/linux/sysdeps/unix/sysv/linux/Versions 4 Oct 2002 05:45:31 -0000 > @@ -102,6 +102,10 @@ > # r* > readahead; > > + gethugepagesize; > + alloc_hugepages; > + free_hugepages; > + With glibc 2.3 out of the door, this has to be added with version glibc 2.3.1. > Index: sysdeps/unix/sysv/linux/sys/hugepage.h > =================================================================== > RCS file: sysdeps/unix/sysv/linux/sys/hugepage.h > diff -N sysdeps/unix/sysv/linux/sys/hugepage.h > --- /dev/null 1 Jan 1970 00:00:00 -0000 > +++ sysdeps/unix/sysv/linux/sys/sysdeps/unix/sysv/linux/sys/hugepage.h 4 Oct 2002 05:45:36 -0000 > @@ -0,0 +1,78 @@ > +/* Copyright (C) 2002 Free Software Foundation, Inc. > + This file is part of the GNU C Library. > + > + The GNU C Library is free software; you can redistribute it and/or > + modify it under the terms of the GNU Lesser General Public > + License as published by the Free Software Foundation; either > + version 2.1 of the License, or (at your option) any later version. > + > + The GNU C Library is distributed in the hope that it will be useful, > + but WITHOUT ANY WARRANTY; without even the implied warranty of > + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU > + Lesser General Public License for more details. > + > + You should have received a copy of the GNU Lesser General Public > + License along with the GNU C Library; if not, write to the Free > + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA > + 02111-1307 USA. */ > + > +#ifndef _SYS_HUGEPAGE_H > +#define _SYS_HUGEPAGE_H 1 > + > +/* This header file defines the huge page interface. A huge page is a > + non-swappable (pinned) page of virtual memory. As the name > + suggests, the size of a huge page is typically orders of magnitudes > + bigger than the value returned by getpagesize(). For example, > + depending on kernel configuration, on x86 it may be 2MBytes or > + 4MBytes and on ia64 it is typically one of 16MB, 256MBytes, or > + 4GBytes. Note that because huge pages are never swapped, they are > + a relatively rare commodity and applications are expected to fall > + back to allocating regular pages if a huge page cannot be > + allocated. */ > + > +#include <features.h> > + > +#define __need_size_t > +#include <stddef.h> > + > +__BEGIN_DECLS > + > +/* Return the size of a huge page. */ > + > +extern size_t __gethugepagesize (void) __attribute__ ((__const__)) __THROW; The header installed in the user level include should not have the __gethugepagesize. If you need the prototype, we add it to an internal header. Andreas -- Andreas Jaeger SuSE Labs aj@suse.de private aj@arthur.inka.de http://www.suse.de/~aj
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