mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-11-30 07:26:46 +07:00
56873f43ab
Add KPF_ZERO_PAGE flag for zero_page, so that userspace processes can detect zero_page in /proc/kpageflags, and then do memory analysis more accurately. Signed-off-by: Yalin Wang <yalin.wang@sonymobile.com> Acked-by: Kirill A. Shutemov <kirill@shutemov.name> Cc: Konstantin Khlebnikov <koct9i@gmail.com> Cc: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
39 lines
808 B
C
39 lines
808 B
C
#ifndef _UAPILINUX_KERNEL_PAGE_FLAGS_H
|
|
#define _UAPILINUX_KERNEL_PAGE_FLAGS_H
|
|
|
|
/*
|
|
* Stable page flag bits exported to user space
|
|
*/
|
|
|
|
#define KPF_LOCKED 0
|
|
#define KPF_ERROR 1
|
|
#define KPF_REFERENCED 2
|
|
#define KPF_UPTODATE 3
|
|
#define KPF_DIRTY 4
|
|
#define KPF_LRU 5
|
|
#define KPF_ACTIVE 6
|
|
#define KPF_SLAB 7
|
|
#define KPF_WRITEBACK 8
|
|
#define KPF_RECLAIM 9
|
|
#define KPF_BUDDY 10
|
|
|
|
/* 11-20: new additions in 2.6.31 */
|
|
#define KPF_MMAP 11
|
|
#define KPF_ANON 12
|
|
#define KPF_SWAPCACHE 13
|
|
#define KPF_SWAPBACKED 14
|
|
#define KPF_COMPOUND_HEAD 15
|
|
#define KPF_COMPOUND_TAIL 16
|
|
#define KPF_HUGE 17
|
|
#define KPF_UNEVICTABLE 18
|
|
#define KPF_HWPOISON 19
|
|
#define KPF_NOPAGE 20
|
|
|
|
#define KPF_KSM 21
|
|
#define KPF_THP 22
|
|
#define KPF_BALLOON 23
|
|
#define KPF_ZERO_PAGE 24
|
|
|
|
|
|
#endif /* _UAPILINUX_KERNEL_PAGE_FLAGS_H */
|