mirror of https://gitee.com/openkylin/linux.git
807f0ccfe1
page-types, which is a common user of pagemap, gets aware of thp with this
patch. This helps system admins and kernel hackers know about how thp
works. Here is a sample output of page-types over a thp:
$ page-types -p <pid> --raw --list
voffset offset len flags
...
7f9d40200 3f8400 1 ___U_lA____Ma_bH______t____________
7f9d40201 3f8401 1ff ________________T_____t____________
flags page-count MB symbolic-flags long-symbolic-flags
0x0000000000410000 511 1 ________________T_____t____________ compound_tail,thp
0x000000000040d868 1 0 ___U_lA____Ma_bH______t____________ uptodate,lru,active,mmap,anonymous,swapbacked,compound_head,thp
Signed-off-by: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>
Acked-by: Wu Fengguang <fengguang.wu@intel.com>
Reviewed-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Acked-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Cc: David Rientjes <rientjes@google.com>
Cc: Andi Kleen <andi@firstfloor.org>
Cc: Andrea Arcangeli <aarcange@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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|---|---|---|
| .. | ||
| .gitignore | ||
| 00-INDEX | ||
| Makefile | ||
| active_mm.txt | ||
| balance | ||
| cleancache.txt | ||
| highmem.txt | ||
| hugepage-mmap.c | ||
| hugepage-shm.c | ||
| hugetlbpage.txt | ||
| hwpoison.txt | ||
| ksm.txt | ||
| locking | ||
| map_hugetlb.c | ||
| numa | ||
| numa_memory_policy.txt | ||
| overcommit-accounting | ||
| page-types.c | ||
| page_migration | ||
| pagemap.txt | ||
| slub.txt | ||
| transhuge.txt | ||
| unevictable-lru.txt | ||