forked from luck/tmp_suning_uos_patched
5f6164f309
Make new MADV_REMOVE, MADV_DONTFORK, MADV_DOFORK consistent across all arches. The idea is to make it possible to use them portably even before distros include them in libc headers. Move common flags to asm-generic/mman.h Signed-off-by: Michael S. Tsirkin <mst@mellanox.co.il> Cc: Roland Dreier <rolandd@cisco.com> Cc: Badari Pulavarty <pbadari@us.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
39 lines
1.6 KiB
C
39 lines
1.6 KiB
C
/* $Id: mman.h,v 1.9 2000/03/15 02:44:23 davem Exp $ */
|
|
#ifndef __SPARC_MMAN_H__
|
|
#define __SPARC_MMAN_H__
|
|
|
|
#include <asm-generic/mman.h>
|
|
|
|
/* SunOS'ified... */
|
|
|
|
#define MAP_RENAME MAP_ANONYMOUS /* In SunOS terminology */
|
|
#define MAP_NORESERVE 0x40 /* don't reserve swap pages */
|
|
#define MAP_INHERIT 0x80 /* SunOS doesn't do this, but... */
|
|
#define MAP_LOCKED 0x100 /* lock the mapping */
|
|
#define _MAP_NEW 0x80000000 /* Binary compatibility is fun... */
|
|
|
|
#define MAP_GROWSDOWN 0x0200 /* stack-like segment */
|
|
#define MAP_DENYWRITE 0x0800 /* ETXTBSY */
|
|
#define MAP_EXECUTABLE 0x1000 /* mark it as an executable */
|
|
|
|
#define MCL_CURRENT 0x2000 /* lock all currently mapped pages */
|
|
#define MCL_FUTURE 0x4000 /* lock all additions to address space */
|
|
|
|
#define MAP_POPULATE 0x8000 /* populate (prefault) pagetables */
|
|
#define MAP_NONBLOCK 0x10000 /* do not block on IO */
|
|
|
|
/* XXX Need to add flags to SunOS's mctl, mlockall, and madvise system
|
|
* XXX calls.
|
|
*/
|
|
|
|
/* SunOS sys_mctl() stuff... */
|
|
#define MC_SYNC 1 /* Sync pages in memory with storage (usu. a file) */
|
|
#define MC_LOCK 2 /* Lock pages into core ram, do not allow swapping of them */
|
|
#define MC_UNLOCK 3 /* Unlock pages locked via previous mctl() with MC_LOCK arg */
|
|
#define MC_LOCKAS 5 /* Lock an entire address space of the calling process */
|
|
#define MC_UNLOCKAS 6 /* Unlock entire address space of calling process */
|
|
|
|
#define MADV_FREE 0x5 /* (Solaris) contents can be freed */
|
|
|
|
#endif /* __SPARC_MMAN_H__ */
|