2 * Copyright © 2011 Red Hat
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
11 * The above copyright notice and this permission notice (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
24 * Jerome Glisse <j.glisse@gmail.com>
30 /* allocate as many single page bo to try to starve the kernel
31 * memory zone (below highmem)
33 void ttm_starve_kernel_private_memory(int fd)
35 struct list_head list;
39 printf("\n[%s]\n", __func__);
42 bo = rbo(fd, 0, 4096, 0, NULL);
44 printf("failing after %d bo\n", nbo);
48 list_add(&bo->list, &list);
50 LIST_FOR_EACH_ENTRY_SAFE(bo, tmp, &list, list) {
56 int radeon_open_fd(void)
58 return drmOpen("radeon", NULL);
65 radeonfd = radeon_open_fd();
67 fprintf(stderr, "failed to open radeon fd\n");
71 ttm_starve_kernel_private_memory(radeonfd);