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08c372db1a
commit 9295b7a07c upstream.
Programs using /proc/kpageflags need to know about the various flags. The
<linux/kernel-page-flags.h> provides them and the comments in the file
indicate that it is supposed to be used by user-level code. But the file
is not installed.
Install the headers and mark the unstable flags as out-of-bounds. The
page-type tool is also adjusted to not duplicate the definitions
Signed-off-by: Ulrich Drepper <drepper@gmail.com>
Acked-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Acked-by: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
51 lines
1 KiB
C
51 lines
1 KiB
C
#ifndef LINUX_KERNEL_PAGE_FLAGS_H
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#define LINUX_KERNEL_PAGE_FLAGS_H
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/*
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* Stable page flag bits exported to user space
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*/
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#define KPF_LOCKED 0
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#define KPF_ERROR 1
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#define KPF_REFERENCED 2
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#define KPF_UPTODATE 3
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#define KPF_DIRTY 4
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#define KPF_LRU 5
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#define KPF_ACTIVE 6
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#define KPF_SLAB 7
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#define KPF_WRITEBACK 8
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#define KPF_RECLAIM 9
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#define KPF_BUDDY 10
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/* 11-20: new additions in 2.6.31 */
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#define KPF_MMAP 11
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#define KPF_ANON 12
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#define KPF_SWAPCACHE 13
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#define KPF_SWAPBACKED 14
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#define KPF_COMPOUND_HEAD 15
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#define KPF_COMPOUND_TAIL 16
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#define KPF_HUGE 17
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#define KPF_UNEVICTABLE 18
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#define KPF_HWPOISON 19
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#define KPF_NOPAGE 20
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#define KPF_KSM 21
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#define KPF_THP 22
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#ifdef __KERNEL__
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/* kernel hacking assistances
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* WARNING: subject to change, never rely on them!
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*/
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#define KPF_RESERVED 32
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#define KPF_MLOCKED 33
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#define KPF_MAPPEDTODISK 34
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#define KPF_PRIVATE 35
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#define KPF_PRIVATE_2 36
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#define KPF_OWNER_PRIVATE 37
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#define KPF_ARCH 38
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#define KPF_UNCACHED 39
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#endif /* __KERNEL__ */
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#endif /* LINUX_KERNEL_PAGE_FLAGS_H */
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