Release 4.12 include/drm/drm_mem_util.h
/*
* Copyright © 2008 Intel Corporation
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
* IN THE SOFTWARE.
*
* Authors:
* Jesse Barnes <jbarnes@virtuousgeek.org>
*
*/
#ifndef _DRM_MEM_UTIL_H_
#define _DRM_MEM_UTIL_H_
#include <linux/vmalloc.h>
static __inline__ void *drm_calloc_large(size_t nmemb, size_t size)
{
if (size != 0 && nmemb > SIZE_MAX / size)
return NULL;
if (size * nmemb <= PAGE_SIZE)
return kcalloc(nmemb, size, GFP_KERNEL);
return vzalloc(size * nmemb);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Dave Airlie | 53 | 96.36% | 1 | 33.33% |
| Xi Wang | 1 | 1.82% | 1 | 33.33% |
| Michal Hocko | 1 | 1.82% | 1 | 33.33% |
| Total | 55 | 100.00% | 3 | 100.00% |
/* Modeled after cairo's malloc_ab, it's like calloc but without the zeroing. */
static __inline__ void *drm_malloc_ab(size_t nmemb, size_t size)
{
if (size != 0 && nmemb > SIZE_MAX / size)
return NULL;
if (size * nmemb <= PAGE_SIZE)
return kmalloc(nmemb * size, GFP_KERNEL);
return vmalloc(size * nmemb);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Dave Airlie | 53 | 96.36% | 1 | 33.33% |
| Michal Hocko | 1 | 1.82% | 1 | 33.33% |
| Xi Wang | 1 | 1.82% | 1 | 33.33% |
| Total | 55 | 100.00% | 3 | 100.00% |
static __inline__ void *drm_malloc_gfp(size_t nmemb, size_t size, gfp_t gfp)
{
if (size != 0 && nmemb > SIZE_MAX / size)
return NULL;
if (size * nmemb <= PAGE_SIZE)
return kmalloc(nmemb * size, gfp);
if (gfp & __GFP_RECLAIMABLE) {
void *ptr = kmalloc(nmemb * size,
gfp | __GFP_NOWARN | __GFP_NORETRY);
if (ptr)
return ptr;
}
return __vmalloc(size * nmemb, gfp, PAGE_KERNEL);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Chris Wilson | 94 | 100.00% | 1 | 100.00% |
| Total | 94 | 100.00% | 1 | 100.00% |
static __inline void drm_free_large(void *ptr)
{
kvfree(ptr);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Dave Airlie | 15 | 93.75% | 1 | 50.00% |
| Pekka J Enberg | 1 | 6.25% | 1 | 50.00% |
| Total | 16 | 100.00% | 2 | 100.00% |
#endif
Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Dave Airlie | 134 | 57.51% | 1 | 20.00% |
| Chris Wilson | 94 | 40.34% | 1 | 20.00% |
| Michal Hocko | 2 | 0.86% | 1 | 20.00% |
| Xi Wang | 2 | 0.86% | 1 | 20.00% |
| Pekka J Enberg | 1 | 0.43% | 1 | 20.00% |
| Total | 233 | 100.00% | 5 | 100.00% |
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