Contributors: 21
Author Tokens Token Proportion Commits Commit Proportion
Linus Torvalds (pre-git) 121 41.16% 1 3.12%
Helge Deller 36 12.24% 4 12.50%
Matthew Wilcox 15 5.10% 2 6.25%
Michael S. Tsirkin 13 4.42% 3 9.38%
Wang Nan 12 4.08% 2 6.25%
Dave Hansen 12 4.08% 1 3.12%
Eric B Munson 10 3.40% 1 3.12%
Arnd Bergmann 10 3.40% 2 6.25%
Roland McGrath 10 3.40% 1 3.12%
MinChan Kim 9 3.06% 3 9.38%
Andrea Arcangeli 6 2.04% 2 6.25%
Hugh Dickins 6 2.04% 1 3.12%
David Hildenbrand 6 2.04% 1 3.12%
Jason Baron 5 1.70% 1 3.12%
Rik Van Riel 5 1.70% 1 3.12%
Michal Hocko 5 1.70% 1 3.12%
Zach O'Keefe 4 1.36% 1 3.12%
Badari Pulavarty 4 1.36% 1 3.12%
Johannes Weiner 3 1.02% 1 3.12%
Greg Kroah-Hartman 1 0.34% 1 3.12%
Michael Hayes 1 0.34% 1 3.12%
Total 294 32 


/* 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 */

/* 0x01 - 0x03 are defined in linux/mman.h */
#define MAP_TYPE	0x2b		/* Mask for type of mapping, includes bits 0x08 and 0x20 */
#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 MAP_FIXED_NOREPLACE 0x100000	/* MAP_FIXED which doesn't unmap underlying mapping */
#define MAP_UNINITIALIZED 0		/* uninitialized anonymous mmap */

#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   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 */

#define MADV_COLD	20		/* deactivate these pages */
#define MADV_PAGEOUT	21		/* reclaim these pages */

#define MADV_POPULATE_READ	22	/* populate (prefault) page tables readable */
#define MADV_POPULATE_WRITE	23	/* populate (prefault) page tables writable */

#define MADV_DONTNEED_LOCKED	24	/* like DONTNEED, but drop locked pages too */

#define MADV_COLLAPSE	25		/* Synchronous hugepage collapse */

#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 PKEY_DISABLE_ACCESS	0x1
#define PKEY_DISABLE_WRITE	0x2
#define PKEY_ACCESS_MASK	(PKEY_DISABLE_ACCESS |\
				 PKEY_DISABLE_WRITE)

#endif /* __PARISC_MMAN_H__ */