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Macros
mman-common.h File Reference

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Macros

#define PROT_READ   0x1 /* page can be read */
 
#define PROT_WRITE   0x2 /* page can be written */
 
#define PROT_EXEC   0x4 /* page can be executed */
 
#define PROT_SEM   0x8 /* page may be used for atomic ops */
 
#define PROT_NONE   0x0 /* page can not be accessed */
 
#define PROT_GROWSDOWN   0x01000000 /* mprotect flag: extend change to start of growsdown vma */
 
#define PROT_GROWSUP   0x02000000 /* mprotect flag: extend change to end of growsup vma */
 
#define MAP_SHARED   0x01 /* Share changes */
 
#define MAP_PRIVATE   0x02 /* Changes are private */
 
#define MAP_TYPE   0x0f /* Mask for type of mapping */
 
#define MAP_FIXED   0x10 /* Interpret addr exactly */
 
#define MAP_ANONYMOUS   0x20 /* don't use a file */
 
#define MAP_UNINITIALIZED   0x0 /* Don't support this flag */
 
#define MS_ASYNC   1 /* sync memory asynchronously */
 
#define MS_INVALIDATE   2 /* invalidate the caches */
 
#define MS_SYNC   4 /* synchronous memory sync */
 
#define MADV_NORMAL   0 /* no further special treatment */
 
#define MADV_RANDOM   1 /* expect random page references */
 
#define MADV_SEQUENTIAL   2 /* expect sequential page references */
 
#define MADV_WILLNEED   3 /* will need these pages */
 
#define MADV_DONTNEED   4 /* don't need these pages */
 
#define MADV_REMOVE   9 /* remove these pages & resources */
 
#define MADV_DONTFORK   10 /* don't inherit across fork */
 
#define MADV_DOFORK   11 /* do inherit across fork */
 
#define MADV_HWPOISON   100 /* poison a page for testing */
 
#define MADV_SOFT_OFFLINE   101 /* soft offline page for testing */
 
#define MADV_MERGEABLE   12 /* KSM may merge identical pages */
 
#define MADV_UNMERGEABLE   13 /* KSM may not merge identical pages */
 
#define MADV_HUGEPAGE   14 /* Worth backing with hugepages */
 
#define MADV_NOHUGEPAGE   15 /* Not worth backing with hugepages */
 
#define MADV_DONTDUMP
 
#define MADV_DODUMP   17 /* Clear the MADV_NODUMP flag */
 
#define MAP_FILE   0
 
#define MAP_HUGE_SHIFT   26
 
#define MAP_HUGE_MASK   0x3f
 

Macro Definition Documentation

#define MADV_DODUMP   17 /* Clear the MADV_NODUMP flag */
#define MADV_DOFORK   11 /* do inherit across fork */
#define MADV_DONTDUMP
Value:
16 /* Explicity exclude from the core dump,
overrides the coredump filter bits */
#define MADV_DONTFORK   10 /* don't inherit across fork */
#define MADV_DONTNEED   4 /* don't need these pages */
#define MADV_HUGEPAGE   14 /* Worth backing with hugepages */
#define MADV_HWPOISON   100 /* poison a page for testing */
#define MADV_MERGEABLE   12 /* KSM may merge identical pages */
#define MADV_NOHUGEPAGE   15 /* Not worth backing with hugepages */
#define MADV_NORMAL   0 /* no further special treatment */
#define MADV_RANDOM   1 /* expect random page references */
#define MADV_REMOVE   9 /* remove these pages & resources */
#define MADV_SEQUENTIAL   2 /* expect sequential page references */
#define MADV_SOFT_OFFLINE   101 /* soft offline page for testing */
#define MADV_UNMERGEABLE   13 /* KSM may not merge identical pages */
#define MADV_WILLNEED   3 /* will need these pages */
#define MAP_ANONYMOUS   0x20 /* don't use a file */
#define MAP_FILE   0
#define MAP_FIXED   0x10 /* Interpret addr exactly */
#define MAP_HUGE_MASK   0x3f
#define MAP_HUGE_SHIFT   26
#define MAP_PRIVATE   0x02 /* Changes are private */
#define MAP_SHARED   0x01 /* Share changes */
#define MAP_TYPE   0x0f /* Mask for type of mapping */
#define MAP_UNINITIALIZED   0x0 /* Don't support this flag */
#define MS_ASYNC   1 /* sync memory asynchronously */
#define MS_INVALIDATE   2 /* invalidate the caches */
#define MS_SYNC   4 /* synchronous memory sync */
#define PROT_EXEC   0x4 /* page can be executed */
#define PROT_GROWSDOWN   0x01000000 /* mprotect flag: extend change to start of growsdown vma */
#define PROT_GROWSUP   0x02000000 /* mprotect flag: extend change to end of growsup vma */
#define PROT_NONE   0x0 /* page can not be accessed */
#define PROT_READ   0x1 /* page can be read */
#define PROT_SEM   0x8 /* page may be used for atomic ops */
#define PROT_WRITE   0x2 /* page can be written */