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add MCL_ONFAULT and MLOCK_ONFAULT mlockall and mlock2 flags

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they lock faulted pages into memory (useful when a small part of a
large mapped file needs efficient access), new in linux v4.4, commit
b0f205c2a3082dd9081f9a94e50658c5fa906ff1

MLOCK_* is not in the POSIX reserved namespace for sys/mman.h
This commit is contained in:
Szabolcs Nagy 2016-01-24 01:19:38 +00:00 committed by Rich Felker
parent 51d5f139ca
commit 789ff6a9f8
11 changed files with 11 additions and 0 deletions
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1
arch/aarch64/bits/mman.h
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@ -36,6 +36,7 @@
#define MCL_CURRENT 1
#define MCL_FUTURE 2
#define MCL_ONFAULT 4
#if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
#define MADV_NORMAL 0

1
arch/arm/bits/mman.h
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@ -37,6 +37,7 @@
#define MCL_CURRENT 1
#define MCL_FUTURE 2
#define MCL_ONFAULT 4
#if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
#define MADV_NORMAL 0

1
arch/i386/bits/mman.h
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@ -38,6 +38,7 @@
#define MCL_CURRENT 1
#define MCL_FUTURE 2
#define MCL_ONFAULT 4
#if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
#define MADV_NORMAL 0

1
arch/microblaze/bits/mman.h
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@ -37,6 +37,7 @@
#define MCL_CURRENT 1
#define MCL_FUTURE 2
#define MCL_ONFAULT 4
#if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
#define MADV_NORMAL 0

1
arch/mips/bits/mman.h
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@ -37,6 +37,7 @@
#define MCL_CURRENT 1
#define MCL_FUTURE 2
#define MCL_ONFAULT 4
#if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
#define MADV_NORMAL 0

1
arch/or1k/bits/mman.h
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@ -37,6 +37,7 @@
#define MCL_CURRENT 1
#define MCL_FUTURE 2
#define MCL_ONFAULT 4
#if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
#define MADV_NORMAL 0

1
arch/powerpc/bits/mman.h
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@ -38,6 +38,7 @@
#define MCL_CURRENT 0x2000
#define MCL_FUTURE 0x4000
#define MCL_ONFAULT 0x8000
#if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
#define MADV_NORMAL 0

1
arch/sh/bits/mman.h
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@ -38,6 +38,7 @@
#define MCL_CURRENT 1
#define MCL_FUTURE 2
#define MCL_ONFAULT 4
#if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
#define MADV_NORMAL 0

1
arch/x32/bits/mman.h
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@ -38,6 +38,7 @@
#define MCL_CURRENT 1
#define MCL_FUTURE 2
#define MCL_ONFAULT 4
#if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
#define MADV_NORMAL 0

1
arch/x86_64/bits/mman.h
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@ -38,6 +38,7 @@
#define MCL_CURRENT 1
#define MCL_FUTURE 2
#define MCL_ONFAULT 4
#if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
#define MADV_NORMAL 0

1
include/sys/mman.h
View File

@ -39,6 +39,7 @@ int remap_file_pages (void *, size_t, int, size_t, int);
#endif
#if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
#define MLOCK_ONFAULT 0x01
int madvise (void *, size_t, int);
int mincore (void *, size_t, unsigned char *);
#endif