mirror of
git://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs.git
synced 2026-10-30 22:03:17 +01:00
Aneesh Kumar K.V
8aa3c927ec
Two architecture that use arch specific MMAP flags are powerpc and sparc. We still have few flag values common across them and other architectures. Consolidate this in mman-common.h. Also update the comment to indicate where to find HugeTLB specific reserved values Link: http://lkml.kernel.org/r/[email protected] Signed-off-by: Aneesh Kumar K.V <[email protected]> Reviewed-by: Andrew Morton <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
23 lines
740 B
C
23 lines
740 B
C
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
|
|
#ifndef __ASM_GENERIC_MMAN_H
|
|
#define __ASM_GENERIC_MMAN_H
|
|
|
|
#include <asm-generic/mman-common.h>
|
|
|
|
#define MAP_GROWSDOWN 0x0100 /* stack-like segment */
|
|
#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 */
|
|
|
|
/*
|
|
* Bits [26:31] are reserved, see asm-generic/hugetlb_encode.h
|
|
* for MAP_HUGETLB usage
|
|
*/
|
|
|
|
#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 */
|
|
|
|
#endif /* __ASM_GENERIC_MMAN_H */
|