xrootd/XrdSys/XrdSysPageSize.hh

0001 #ifndef __XRDSYS_PAGESIZE_H__
0002 #define __XRDSYS_PAGESIZE_H__
0003 /******************************************************************************/
0004 /*                                                                            */
0005 /*                     X r d S y s P a g e S i z e . h h                      */
0006 /*                                                                            */
0007 /* (c) 2020 by the Board of Trustees of the Leland Stanford, Jr., University  */
0008 /*   Produced by Andrew Hanushevsky for Stanford University under contract    */
0009 /*              DE-AC02-76-SFO0515 with the Department of Energy              */
0010 /*                                                                            */
0011 /* This file is part of the XRootD software suite.                            */
0012 /*                                                                            */
0013 /* XRootD is free software: you can redistribute it and/or modify it under    */
0014 /* the terms of the GNU Lesser General Public License as published by the     */
0015 /* Free Software Foundation, either version 3 of the License, or (at your     */
0016 /* option) any later version.                                                 */
0017 /*                                                                            */
0018 /* XRootD is distributed in the hope that it will be useful, but WITHOUT      */
0019 /* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or      */
0020 /* FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public       */
0021 /* License for more details.                                                  */
0022 /*                                                                            */
0023 /* You should have received a copy of the GNU Lesser General Public License   */
0024 /* along with XRootD in a file called COPYING.LESSER (LGPL license) and file  */
0025 /* COPYING (GPL license).  If not, see <http://www.gnu.org/licenses/>.        */
0026 /*                                                                            */
0027 /* The copyright holder's institutional names and contributor's names may not */
0028 /* be used to endorse or promote products derived from this software without  */
0029 /* specific prior written permission of the institution or contributor.       */
0030 /******************************************************************************/
0031
0032 // Define a uniform page size for all components
0033 //
0034 namespace XrdSys
0035 {
0036 static const int PageSize = 4096;
0037 static const int PageMask = 4095;
0038 static const int PageBits =   12;
0039 }
0040 #endif