1 /* $OpenBSD: vmalloc.h,v 1.1 2019/04/14 10:14:53 jsg Exp $ */ 2 /* 3 * Copyright (c) 2013, 2014, 2015 Mark Kettenis 4 * 5 * Permission to use, copy, modify, and distribute this software for any 6 * purpose with or without fee is hereby granted, provided that the above 7 * copyright notice and this permission notice appear in all copies. 8 * 9 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 10 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 11 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 12 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 13 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 14 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 15 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 16 */ 17 18 #ifndef _LINUX_VMALLOC_H 19 #define _LINUX_VMALLOC_H 20 21 #include <sys/types.h> 22 #include <sys/malloc.h> 23 #include <uvm/uvm_extern.h> 24 #include <linux/types.h> 25 #include <linux/overflow.h> 26 27 void *vmap(struct vm_page **, unsigned int, unsigned long, pgprot_t); 28 void vunmap(void *, size_t); 29 30 static inline void * 31 vmalloc(unsigned long size) 32 { 33 return malloc(size, M_DRM, M_WAITOK | M_CANFAIL); 34 } 35 36 static inline void * 37 vzalloc(unsigned long size) 38 { 39 return malloc(size, M_DRM, M_WAITOK | M_CANFAIL | M_ZERO); 40 } 41 42 static inline void 43 vfree(void *objp) 44 { 45 free(objp, M_DRM, 0); 46 } 47 48 49 #endif 50