diff options
Diffstat (limited to 'usr/src/uts/common/sys/mman.h')
| -rw-r--r-- | usr/src/uts/common/sys/mman.h | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/usr/src/uts/common/sys/mman.h b/usr/src/uts/common/sys/mman.h index 8f4cd1639f..e9ac3a37cc 100644 --- a/usr/src/uts/common/sys/mman.h +++ b/usr/src/uts/common/sys/mman.h @@ -25,7 +25,7 @@ * * Copyright 2008 Sun Microsystems, Inc. All rights reserved. * Use is subject to license terms. - * Copyright 2012 Joyent, Inc. All rights reserved. + * Copyright 2015 Joyent, Inc. All rights reserved. */ /* Copyright (c) 1983, 1984, 1985, 1986, 1987, 1988, 1989 AT&T */ @@ -303,7 +303,12 @@ struct memcntl_mha32 { #endif /* !defined(__XOPEN_OR_POSIX) || defined(__EXTENSIONS__) */ #if (_POSIX_C_SOURCE <= 2) && !defined(_XPG4_2) || defined(__EXTENSIONS__) -/* advice to madvise */ +/* + * advice to madvise + * + * Note, if more than 4 bits worth of advice (eg. 16) are specified then + * changes will be necessary to the struct vpage. + */ #define MADV_NORMAL 0 /* no further special treatment */ #define MADV_RANDOM 1 /* expect random page references */ #define MADV_SEQUENTIAL 2 /* expect sequential page references */ @@ -313,6 +318,7 @@ struct memcntl_mha32 { #define MADV_ACCESS_DEFAULT 6 /* default access */ #define MADV_ACCESS_LWP 7 /* next LWP to access heavily */ #define MADV_ACCESS_MANY 8 /* many processes to access heavily */ + #endif /* (_POSIX_C_SOURCE <= 2) && !defined(_XPG4_2) ... */ #if !defined(__XOPEN_OR_POSIX) || defined(_XPG6) || defined(__EXTENSIONS__) @@ -342,6 +348,7 @@ struct memcntl_mha32 { #define MC_LOCKAS 5 /* lock address space in memory */ #define MC_UNLOCKAS 6 /* unlock address space from memory */ #define MC_HAT_ADVISE 7 /* advise hat map size */ +#define MC_INHERIT_ZERO 8 /* zero out regions on fork() */ /* sub-commands for MC_HAT_ADVISE */ #define MHA_MAPSIZE_VA 0x1 /* set preferred page size */ |