original_kernel/drivers/char/ftape/zftape/zftape-buffers.h

56 lines
1.6 KiB
C

#ifndef _FTAPE_DYNMEM_H
#define _FTAPE_DYNMEM_H
/*
* Copyright (C) 1995-1997 Claus-Justus Heine.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; see the file COPYING. If not, write to
the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
*
* $Source: /homes/cvs/ftape-stacked/ftape/zftape/zftape-buffers.h,v $
* $Revision: 1.2 $
* $Date: 1997/10/05 19:18:59 $
*
* memory allocation routines.
*
*/
/* we do not allocate all of the really large buffer memory before
* someone tries to open the drive. ftape_open() may fail with
* -ENOMEM, but that's better having 200k of vmalloced memory which
* cannot be swapped out.
*/
extern void zft_memory_stats(void);
extern int zft_vmalloc_once(void *new, size_t size);
extern int zft_vcalloc_once(void *new, size_t size);
extern int zft_vmalloc_always(void *new, size_t size);
extern void zft_vfree(void *old, size_t size);
extern void *zft_kmalloc(size_t size);
extern void zft_kfree(void *old, size_t size);
/* called by cleanup_module()
*/
extern void zft_uninit_mem(void);
#endif