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comparison src/os/linux/vm/os_linux.cpp @ 17765:91dc38ae09f3

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8033464: Linux code cleanup 8033931: Several nightly tests failing with assert(imin < imax) failed: Unexpected page size Summary: cleaned up warnings in linux specific os code. Reviewed-by: dcubed, hseigel, coleenp, dsamersoff Contributed-by: gerald.thornbrugh@oracle.com
author dcubed
date Mon, 24 Mar 2014 13:36:32 -0700
parents 8cfe6fdbb99a
children 62c54fcc0a35
comparison
equal deleted inserted replaced
17763:6e7e363c5a8f 17765:91dc38ae09f3
1 /* 1 /*
2 * Copyright (c) 1999, 2013, Oracle and/or its affiliates. All rights reserved. 2 * Copyright (c) 1999, 2014, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 * 4 *
5 * This code is free software; you can redistribute it and/or modify it 5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as 6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. 7 * published by the Free Software Foundation.
3012 size_t page_sz = os::vm_page_size(); 3012 size_t page_sz = os::vm_page_size();
3013 unsigned pages = size / page_sz; 3013 unsigned pages = size / page_sz;
3014 3014
3015 unsigned char vec[1]; 3015 unsigned char vec[1];
3016 unsigned imin = 1, imax = pages + 1, imid; 3016 unsigned imin = 1, imax = pages + 1, imid;
3017 int mincore_return_value; 3017 int mincore_return_value = 0;
3018
3019 assert(imin <= imax, "Unexpected page size");
3018 3020
3019 while (imin < imax) { 3021 while (imin < imax) {
3020 imid = (imax + imin) / 2; 3022 imid = (imax + imin) / 2;
3021 nbot = ntop - (imid * page_sz); 3023 nbot = ntop - (imid * page_sz);
3022 3024