cregit-Linux how code gets into the kernel

Release 4.14 arch/alpha/include/uapi/asm/mman.h

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

#define __ALPHA_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_TYPE	0x0f		
/* Mask for type of mapping (OSF/1 is _wrong_) */

#define MAP_FIXED	0x100		
/* Interpret addr exactly */

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

/* not used by linux, but here to make sure we don't clash with OSF/1 defines */

#define _MAP_HASSEMAPHORE 0x0200

#define _MAP_INHERIT	0x0400

#define _MAP_UNALIGNED	0x0800

/* These are linux-specific */

#define MAP_GROWSDOWN	0x01000		
/* stack-like segment */

#define MAP_DENYWRITE	0x02000		
/* ETXTBSY */

#define MAP_EXECUTABLE	0x04000		
/* mark it as an executable */

#define MAP_LOCKED	0x08000		
/* lock the mapping */

#define MAP_NORESERVE	0x10000		
/* don't check for reservations */

#define MAP_POPULATE	0x20000		
/* populate (prefault) pagetables */

#define MAP_NONBLOCK	0x40000		
/* do not block on IO */

#define MAP_STACK	0x80000		
/* give out an address that is best suited for process/thread stacks */

#define MAP_HUGETLB	0x100000	
/* create a huge page mapping */


#define MS_ASYNC	1		
/* sync memory asynchronously */

#define MS_SYNC		2		
/* synchronous memory sync */

#define MS_INVALIDATE	4		
/* invalidate the caches */


#define MCL_CURRENT	 8192		
/* lock all currently mapped pages */

#define MCL_FUTURE	16384		
/* lock all additions to address space */

#define MCL_ONFAULT	32768		
/* 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_SPACEAVAIL	5		
/* ensure resources are available */

#define MADV_DONTNEED	6		
/* 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   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   16		
/* Explicity exclude from the core dump,
                                           overrides the coredump filter bits */

#define MADV_DODUMP	17		
/* Clear the MADV_NODUMP flag */


#define MADV_WIPEONFORK 18		
/* Zero memory on fork, child only */

#define MADV_KEEPONFORK 19		
/* Undo MADV_WIPEONFORK */

/* compatibility flags */

#define MAP_FILE	0


#define PKEY_DISABLE_ACCESS	0x1

#define PKEY_DISABLE_WRITE	0x2

#define PKEY_ACCESS_MASK	(PKEY_DISABLE_ACCESS |\
                                 PKEY_DISABLE_WRITE)

#endif /* __ALPHA_MMAN_H__ */

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PersonTokensPropCommitsCommitProp
Linus Torvalds (pre-git)14854.41%626.09%
Richard Henderson145.15%14.35%
Michael S. Tsirkin124.41%28.70%
Dave Hansen124.41%14.35%
Andrea Arcangeli103.68%28.70%
Hugh Dickins103.68%14.35%
Jason Baron103.68%14.35%
Eric B Munson103.68%14.35%
Roland McGrath103.68%14.35%
Rik Van Riel103.68%14.35%
Arnd Bergmann103.68%14.35%
Chen Gang S51.84%14.35%
Al Viro51.84%14.35%
Badari Pulavarty41.47%14.35%
Greg Kroah-Hartman10.37%14.35%
Michael Hayes10.37%14.35%
Total272100.00%23100.00%
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