50 lines
1.5 KiB
C
50 lines
1.5 KiB
C
/* $OpenBSD: vmalloc.h,v 1.7 2024/03/20 02:42:17 jsg Exp $ */
|
|
/*
|
|
* Copyright (c) 2013, 2014, 2015 Mark Kettenis
|
|
*
|
|
* Permission to use, copy, modify, and distribute this software for any
|
|
* purpose with or without fee is hereby granted, provided that the above
|
|
* copyright notice and this permission notice appear in all copies.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
|
|
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
|
|
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
|
|
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
|
|
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
|
|
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
|
|
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
|
|
*/
|
|
|
|
#ifndef _LINUX_VMALLOC_H
|
|
#define _LINUX_VMALLOC_H
|
|
|
|
#include <sys/param.h>
|
|
#include <sys/malloc.h>
|
|
#include <uvm/uvm_extern.h>
|
|
#include <linux/overflow.h>
|
|
#include <linux/types.h> /* for pgprot_t */
|
|
|
|
void *vmap(struct vm_page **, unsigned int, unsigned long, pgprot_t);
|
|
void *vmap_pfn(unsigned long *, unsigned int, pgprot_t);
|
|
void vunmap(void *, size_t);
|
|
|
|
static inline void *
|
|
vmalloc(unsigned long size)
|
|
{
|
|
return malloc(size, M_DRM, M_WAITOK | M_CANFAIL);
|
|
}
|
|
|
|
static inline void *
|
|
vzalloc(unsigned long size)
|
|
{
|
|
return malloc(size, M_DRM, M_WAITOK | M_CANFAIL | M_ZERO);
|
|
}
|
|
|
|
static inline void
|
|
vfree(void *objp)
|
|
{
|
|
free(objp, M_DRM, 0);
|
|
}
|
|
|
|
|
|
#endif
|