b830f94f73
To pick up the changes from:8aa3c927ec("mm/mmap: move common defines to mman-common.h")22fcea6f85("mm: move MAP_SYNC to asm-generic/mman-common.h")0bf5f94923("mm: fix the MAP_UNINITIALIZED flag") To address the following perf build warnings: Warning: Kernel ABI header at 'tools/include/uapi/asm-generic/mman-common.h' differs from latest version at 'include/uapi/asm-generic/mman-common.h' diff -u tools/include/uapi/asm-generic/mman-common.h include/uapi/asm-generic/mman-common.h Warning: Kernel ABI header at 'tools/include/uapi/asm-generic/mman.h' differs from latest version at 'include/uapi/asm-generic/mman.h' diff -u tools/include/uapi/asm-generic/mman.h include/uapi/asm-generic/mman.h That ends up just moving a bit the auto-generated code->string tables: $ tools/perf/trace/beauty/mmap_flags.sh > before $ cp include/uapi/asm-generic/mman.h tools/include/uapi/asm-generic/mman.h $ cp include/uapi/asm-generic/mman-common.h tools/include/uapi/asm-generic/mman-common.h $ tools/perf/trace/beauty/mmap_flags.sh > after $ diff -u before after --- before 2019-07-26 12:45:02.948335904 -0300 +++ after 2019-07-26 12:48:05.342893539 -0300 @@ -4,15 +4,15 @@ [ilog2(0x02) + 1] = "PRIVATE", [ilog2(0x10) + 1] = "FIXED", [ilog2(0x20) + 1] = "ANONYMOUS", + [ilog2(0x008000) + 1] = "POPULATE", + [ilog2(0x010000) + 1] = "NONBLOCK", + [ilog2(0x020000) + 1] = "STACK", + [ilog2(0x040000) + 1] = "HUGETLB", + [ilog2(0x080000) + 1] = "SYNC", [ilog2(0x100000) + 1] = "FIXED_NOREPLACE", [ilog2(0x0100) + 1] = "GROWSDOWN", [ilog2(0x0800) + 1] = "DENYWRITE", [ilog2(0x1000) + 1] = "EXECUTABLE", [ilog2(0x2000) + 1] = "LOCKED", [ilog2(0x4000) + 1] = "NORESERVE", - [ilog2(0x8000) + 1] = "POPULATE", - [ilog2(0x10000) + 1] = "NONBLOCK", - [ilog2(0x20000) + 1] = "STACK", - [ilog2(0x40000) + 1] = "HUGETLB", - [ilog2(0x80000) + 1] = "SYNC", }; $ Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com> Cc: Christoph Hellwig <hch@lst.de> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Luis Cláudio Gonçalves <lclaudio@redhat.com> Cc: Namhyung Kim <namhyung@kernel.org> Link: https://lkml.kernel.org/n/tip-fzqvzni9megaurmsp0k4vy27@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
79 lines
3.2 KiB
C
79 lines
3.2 KiB
C
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
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#ifndef __ASM_GENERIC_MMAN_COMMON_H
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#define __ASM_GENERIC_MMAN_COMMON_H
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/*
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Author: Michael S. Tsirkin <mst@mellanox.co.il>, Mellanox Technologies Ltd.
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Based on: asm-xxx/mman.h
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*/
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#define PROT_READ 0x1 /* page can be read */
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#define PROT_WRITE 0x2 /* page can be written */
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#define PROT_EXEC 0x4 /* page can be executed */
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#define PROT_SEM 0x8 /* page may be used for atomic ops */
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#define PROT_NONE 0x0 /* page can not be accessed */
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#define PROT_GROWSDOWN 0x01000000 /* mprotect flag: extend change to start of growsdown vma */
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#define PROT_GROWSUP 0x02000000 /* mprotect flag: extend change to end of growsup vma */
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/* 0x01 - 0x03 are defined in linux/mman.h */
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#define MAP_TYPE 0x0f /* Mask for type of mapping */
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#define MAP_FIXED 0x10 /* Interpret addr exactly */
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#define MAP_ANONYMOUS 0x20 /* don't use a file */
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/* 0x0100 - 0x4000 flags are defined in asm-generic/mman.h */
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#define MAP_POPULATE 0x008000 /* populate (prefault) pagetables */
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#define MAP_NONBLOCK 0x010000 /* do not block on IO */
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#define MAP_STACK 0x020000 /* give out an address that is best suited for process/thread stacks */
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#define MAP_HUGETLB 0x040000 /* create a huge page mapping */
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#define MAP_SYNC 0x080000 /* perform synchronous page faults for the mapping */
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#define MAP_FIXED_NOREPLACE 0x100000 /* MAP_FIXED which doesn't unmap underlying mapping */
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#define MAP_UNINITIALIZED 0x4000000 /* For anonymous mmap, memory could be
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* uninitialized */
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/*
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* Flags for mlock
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*/
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#define MLOCK_ONFAULT 0x01 /* Lock pages in range after they are faulted in, do not prefault */
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#define MS_ASYNC 1 /* sync memory asynchronously */
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#define MS_INVALIDATE 2 /* invalidate the caches */
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#define MS_SYNC 4 /* synchronous memory sync */
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#define MADV_NORMAL 0 /* no further special treatment */
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#define MADV_RANDOM 1 /* expect random page references */
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#define MADV_SEQUENTIAL 2 /* expect sequential page references */
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#define MADV_WILLNEED 3 /* will need these pages */
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#define MADV_DONTNEED 4 /* don't need these pages */
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/* common parameters: try to keep these consistent across architectures */
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#define MADV_FREE 8 /* free pages only if memory pressure */
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#define MADV_REMOVE 9 /* remove these pages & resources */
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#define MADV_DONTFORK 10 /* don't inherit across fork */
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#define MADV_DOFORK 11 /* do inherit across fork */
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#define MADV_HWPOISON 100 /* poison a page for testing */
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#define MADV_SOFT_OFFLINE 101 /* soft offline page for testing */
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#define MADV_MERGEABLE 12 /* KSM may merge identical pages */
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#define MADV_UNMERGEABLE 13 /* KSM may not merge identical pages */
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#define MADV_HUGEPAGE 14 /* Worth backing with hugepages */
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#define MADV_NOHUGEPAGE 15 /* Not worth backing with hugepages */
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#define MADV_DONTDUMP 16 /* Explicity exclude from the core dump,
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overrides the coredump filter bits */
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#define MADV_DODUMP 17 /* Clear the MADV_DONTDUMP flag */
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#define MADV_WIPEONFORK 18 /* Zero memory on fork, child only */
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#define MADV_KEEPONFORK 19 /* Undo MADV_WIPEONFORK */
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/* compatibility flags */
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#define MAP_FILE 0
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#define PKEY_DISABLE_ACCESS 0x1
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#define PKEY_DISABLE_WRITE 0x2
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#define PKEY_ACCESS_MASK (PKEY_DISABLE_ACCESS |\
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PKEY_DISABLE_WRITE)
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#endif /* __ASM_GENERIC_MMAN_COMMON_H */
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