1 /* 2 * 3 * Copyright (c) International Business Machines Corp., 2001 4 * 5 * This program is free software; you can redistribute it and/or modify 6 * it under the terms of the GNU General Public License as published by 7 * the Free Software Foundation; either version 2 of the License, or 8 * (at your option) any later version. 9 * 10 * This program is distributed in the hope that it will be useful, 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See 13 * the GNU General Public License for more details. 14 * 15 * You should have received a copy of the GNU General Public License 16 * along with this program; if not, write to the Free Software 17 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 18 */ 19 20 /* 21 * hugetlb.h - common definitions for the hugepage tests 22 */ 23 24 #ifndef __HUGETLB_H 25 #define __HUGETLB_H 26 27 #include <sys/ipc.h> 28 #include <sys/shm.h> 29 #include <errno.h> 30 #include <sys/wait.h> 31 #include "test.h" 32 33 #define SHM_RD 0400 34 #define SHM_WR 0200 35 #define SHM_RW (SHM_RD|SHM_WR) 36 37 #ifndef SHM_HUGETLB 38 #define SHM_HUGETLB 04000 /* segment is mapped via hugetlb */ 39 #endif 40 41 /* 42 * to get the lower nine permission bits 43 * from shmid_ds.ipc_perm.mode 44 */ 45 #define MODE_MASK 0x01FF 46 #define PATH_HUGEPAGES "/sys/kernel/mm/hugepages/" 47 48 key_t shmkey; /* an IPC key generated by ftok() */ 49 50 void check_hugepage(void); 51 52 int getipckey(void (*cleanup_fn) (void)); 53 int getuserid(void (*cleanup_fn) (void), char *user); 54 void rm_shm(int shm_id); 55 56 char *nr_opt; 57 int sflag; 58 long orig_hugepages; 59 60 #endif /* hugetlb.h */ 61
