cregit-Linux how code gets into the kernel

Release 4.15 arch/parisc/include/uapi/asm/mman.h

/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
#ifndef __PARISC_MMAN_H__

#define __PARISC_MMAN_H__


#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_SHARED_VALIDATE 0x03	
/* share + validate extension flags */

#define MAP_TYPE	0x03		
/* Mask for type of mapping */

#define MAP_FIXED	0x04		
/* Interpret addr exactly */

#define MAP_ANONYMOUS	0x10		
/* don't use a file */


#define MAP_DENYWRITE	0x0800		
/* ETXTBSY */

#define MAP_EXECUTABLE	0x1000		
/* mark it as an executable */

#define MAP_LOCKED	0x2000		
/* pages are locked */

#define MAP_NORESERVE	0x4000		
/* don't check for reservations */

#define MAP_GROWSDOWN	0x8000		
/* stack-like segment */

#define MAP_POPULATE	0x10000		
/* populate (prefault) pagetables */

#define MAP_NONBLOCK	0x20000		
/* do not block on IO */

#define MAP_STACK	0x40000		
/* give out an address that is best suited for process/thread stacks */

#define MAP_HUGETLB	0x80000		
/* create a huge page mapping */


#define MS_SYNC		1		
/* synchronous memory sync */

#define MS_ASYNC	2		
/* sync memory asynchronously */

#define MS_INVALIDATE	4		
/* invalidate the caches */


#define MCL_CURRENT	1		
/* lock all current mappings */

#define MCL_FUTURE	2		
/* lock all future mappings */

#define MCL_ONFAULT	4		
/* lock all pages that are faulted in */


#define MLOCK_ONFAULT	0x01		
/* Lock pages in range after they are faulted in, do not prefault */


#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 */

/* common/generic parameters */

#define MADV_FREE	8		
/* free pages only if memory pressure */

#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_MERGEABLE   65		
/* KSM may merge identical pages */

#define MADV_UNMERGEABLE 66		
/* KSM may not merge identical pages */


#define MADV_HUGEPAGE	67		
/* Worth backing with hugepages */

#define MADV_NOHUGEPAGE	68		
/* Not worth backing with hugepages */


#define MADV_DONTDUMP   69		
/* Explicity exclude from the core dump,
                                           overrides the coredump filter bits */

#define MADV_DODUMP	70		
/* Clear the MADV_NODUMP flag */


#define MADV_WIPEONFORK 71		
/* Zero memory on fork, child only */

#define MADV_KEEPONFORK 72		
/* Undo MADV_WIPEONFORK */


#define MADV_HWPOISON     100		
/* poison a page for testing */

#define MADV_SOFT_OFFLINE 101		
/* soft offline page for testing */

/* compatibility flags */

#define MAP_FILE	0

#define MAP_VARIABLE	0


#define PKEY_DISABLE_ACCESS	0x1

#define PKEY_DISABLE_WRITE	0x2

#define PKEY_ACCESS_MASK	(PKEY_DISABLE_ACCESS |\
                                 PKEY_DISABLE_WRITE)

#endif /* __PARISC_MMAN_H__ */

Overall Contributors

PersonTokensPropCommitsCommitProp
Linus Torvalds (pre-git)13750.37%15.26%
Matthew Wilcox155.51%210.53%
Dave Hansen124.41%15.26%
Michael S. Tsirkin124.41%15.26%
Eric B Munson103.68%15.26%
Andrea Arcangeli103.68%210.53%
Jason Baron103.68%15.26%
Hugh Dickins103.68%15.26%
Arnd Bergmann103.68%15.26%
Roland McGrath103.68%15.26%
Rik Van Riel103.68%15.26%
Helge Deller103.68%15.26%
Chen Gang S51.84%15.26%
Dan J Williams51.84%15.26%
Badari Pulavarty41.47%15.26%
Michael Hayes10.37%15.26%
Greg Kroah-Hartman10.37%15.26%
Total272100.00%19100.00%
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