diff options
| author | Alex Shi <[email protected]> | 2020-12-14 19:09:02 -0800 |
|---|---|---|
| committer | Linus Torvalds <[email protected]> | 2020-12-15 12:13:42 -0800 |
| commit | 56db19fef3f1c28a2fac37079eb276aaffec2e3d (patch) | |
| tree | 380ecc265b31bea9f0ab08b5db3e4fa05e97a74b | |
| parent | 0a7dd4e901b8a4ee040ba953900d1d7120b34ee5 (diff) | |
docs/vm: remove unused 3 items explanation for /proc/vmstat
Commit 5647bc293ab1 ("mm: compaction: Move migration fail/success
stats to migrate.c"), removed 3 items in /proc/vmstat. but the docs
still has their explanation. let's remove them.
"compact_blocks_moved",
"compact_pages_moved",
"compact_pagemigrate_failed",
Link: https://lkml.kernel.org/r/[email protected]
Signed-off-by: Alex Shi <[email protected]>
Reviewed-by: Zi Yan <[email protected]>
Cc: Jonathan Corbet <[email protected]>
Cc: Yang Shi <[email protected]>
Cc: "Kirill A. Shutemov" <[email protected]>
Cc: David Rientjes <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
| -rw-r--r-- | Documentation/admin-guide/mm/transhuge.rst | 15 |
1 files changed, 0 insertions, 15 deletions
diff --git a/Documentation/admin-guide/mm/transhuge.rst b/Documentation/admin-guide/mm/transhuge.rst index b2acd0d395ca..3b8a336511a4 100644 --- a/Documentation/admin-guide/mm/transhuge.rst +++ b/Documentation/admin-guide/mm/transhuge.rst @@ -401,21 +401,6 @@ compact_fail is incremented if the system tries to compact memory but failed. -compact_pages_moved - is incremented each time a page is moved. If - this value is increasing rapidly, it implies that the system - is copying a lot of data to satisfy the huge page allocation. - It is possible that the cost of copying exceeds any savings - from reduced TLB misses. - -compact_pagemigrate_failed - is incremented when the underlying mechanism - for moving a page failed. - -compact_blocks_moved - is incremented each time memory compaction examines - a huge page aligned range of pages. - It is possible to establish how long the stalls were using the function tracer to record how long was spent in __alloc_pages_nodemask and using the mm_page_alloc tracepoint to identify which allocations were |