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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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b6fb293f24
Define new MAP_SYNC flag and corresponding VMA VM_SYNC flag. As the MAP_SYNC flag is not part of LEGACY_MAP_MASK, currently it will be refused by all MAP_SHARED_VALIDATE map attempts and silently ignored for everything else. Reviewed-by: Ross Zwisler <ross.zwisler@linux.intel.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Jan Kara <jack@suse.cz> Signed-off-by: Dan Williams <dan.j.williams@intel.com>
24 lines
1017 B
C
24 lines
1017 B
C
#ifndef __ASM_GENERIC_MMAN_H
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#define __ASM_GENERIC_MMAN_H
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#include <asm-generic/mman-common.h>
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#define MAP_GROWSDOWN 0x0100 /* stack-like segment */
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#define MAP_DENYWRITE 0x0800 /* ETXTBSY */
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#define MAP_EXECUTABLE 0x1000 /* mark it as an executable */
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#define MAP_LOCKED 0x2000 /* pages are locked */
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#define MAP_NORESERVE 0x4000 /* don't check for reservations */
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#define MAP_POPULATE 0x8000 /* populate (prefault) pagetables */
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#define MAP_NONBLOCK 0x10000 /* do not block on IO */
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#define MAP_STACK 0x20000 /* give out an address that is best suited for process/thread stacks */
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#define MAP_HUGETLB 0x40000 /* create a huge page mapping */
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#define MAP_SYNC 0x80000 /* perform synchronous page faults for the mapping */
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/* Bits [26:31] are reserved, see mman-common.h for MAP_HUGETLB usage */
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#define MCL_CURRENT 1 /* lock all current mappings */
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#define MCL_FUTURE 2 /* lock all future mappings */
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#define MCL_ONFAULT 4 /* lock all pages that are faulted in */
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#endif /* __ASM_GENERIC_MMAN_H */
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