kern_exec.c (63e9755548e4feebf798686ab8bce0cdaaaf7b46) kern_exec.c (0012f373e43db2341c20329163ed2d5ad3b0f341)
1/*-
2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3 *
4 * Copyright (c) 1993, David Greenman
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions

--- 965 unchanged lines hidden (view full) ---

974 return (EACCES);
975 VM_OBJECT_WLOCK(object);
976#if VM_NRESERVLEVEL > 0
977 vm_object_color(object, 0);
978#endif
979retry:
980 ma[0] = vm_page_grab(object, 0, VM_ALLOC_NORMAL | VM_ALLOC_NOBUSY |
981 VM_ALLOC_WIRED);
1/*-
2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3 *
4 * Copyright (c) 1993, David Greenman
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions

--- 965 unchanged lines hidden (view full) ---

974 return (EACCES);
975 VM_OBJECT_WLOCK(object);
976#if VM_NRESERVLEVEL > 0
977 vm_object_color(object, 0);
978#endif
979retry:
980 ma[0] = vm_page_grab(object, 0, VM_ALLOC_NORMAL | VM_ALLOC_NOBUSY |
981 VM_ALLOC_WIRED);
982 if (ma[0]->valid != VM_PAGE_BITS_ALL) {
982 if (!vm_page_all_valid(ma[0])) {
983 if (vm_page_busy_acquire(ma[0], VM_ALLOC_WAITFAIL) == 0) {
984 vm_page_unwire_noq(ma[0]);
985 goto retry;
986 }
983 if (vm_page_busy_acquire(ma[0], VM_ALLOC_WAITFAIL) == 0) {
984 vm_page_unwire_noq(ma[0]);
985 goto retry;
986 }
987 if (vm_page_all_valid(ma[0])) {
988 vm_page_xunbusy(ma[0]);
989 goto out;
990 }
987 if (!vm_pager_has_page(object, 0, NULL, &after)) {
988 if (vm_page_unwire_noq(ma[0]))
989 vm_page_free(ma[0]);
990 else
991 vm_page_xunbusy(ma[0]);
992 VM_OBJECT_WUNLOCK(object);
993 return (EIO);
994 }

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1024 }
1025 VM_OBJECT_WUNLOCK(object);
1026 return (EIO);
1027 }
1028 vm_page_xunbusy(ma[0]);
1029 for (i = 1; i < initial_pagein; i++)
1030 vm_page_readahead_finish(ma[i]);
1031 }
991 if (!vm_pager_has_page(object, 0, NULL, &after)) {
992 if (vm_page_unwire_noq(ma[0]))
993 vm_page_free(ma[0]);
994 else
995 vm_page_xunbusy(ma[0]);
996 VM_OBJECT_WUNLOCK(object);
997 return (EIO);
998 }

--- 29 unchanged lines hidden (view full) ---

1028 }
1029 VM_OBJECT_WUNLOCK(object);
1030 return (EIO);
1031 }
1032 vm_page_xunbusy(ma[0]);
1033 for (i = 1; i < initial_pagein; i++)
1034 vm_page_readahead_finish(ma[i]);
1035 }
1036
1037out:
1032 VM_OBJECT_WUNLOCK(object);
1033
1034 imgp->firstpage = sf_buf_alloc(ma[0], 0);
1035 imgp->image_header = (char *)sf_buf_kva(imgp->firstpage);
1036
1037 return (0);
1038}
1039

--- 792 unchanged lines hidden --- 		1038 VM_OBJECT_WUNLOCK(object);
1039
1040 imgp->firstpage = sf_buf_alloc(ma[0], 0);
1041 imgp->image_header = (char *)sf_buf_kva(imgp->firstpage);
1042
1043 return (0);
1044}
1045

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