1 /* 2 * Copyright (c) 2015-2017 François Tigeot <ftigeot@wolfpond.org> 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice unmodified, this list of conditions, and the following 10 * disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 */ 26 27 #ifndef _LINUX_SLAB_H_ 28 #define _LINUX_SLAB_H_ 29 30 #include <linux/gfp.h> 31 #include <linux/types.h> 32 33 MALLOC_DECLARE(M_DRM); 34 35 #define kzalloc(size, flags) kmalloc(size, M_DRM, flags | M_ZERO) 36 37 #define kfree(ptr) do { \ 38 if (ptr != NULL) \ 39 kfree(ptr, M_DRM); \ 40 } while (0) 41 42 #define kcalloc(n, size, flags) kzalloc((n) * (size), flags) 43 44 static inline void * 45 kmalloc_array(size_t n, size_t size, gfp_t flags) 46 { 47 return kmalloc(n * size, M_DRM, flags); 48 } 49 50 #endif /* _LINUX_SLAB_H_ */ 51