[<prev] [next>] [thread-next>] [day] [month] [year] [list]
Message-Id: <20200403112928.19742-1-kirill.shutemov@linux.intel.com>
Date: Fri, 3 Apr 2020 14:29:20 +0300
From: "Kirill A. Shutemov" <kirill@...temov.name>
To: akpm@...ux-foundation.org, Andrea Arcangeli <aarcange@...hat.com>
Cc: Zi Yan <ziy@...dia.com>, Yang Shi <yang.shi@...ux.alibaba.com>,
linux-mm@...ck.org, linux-kernel@...r.kernel.org,
"Kirill A. Shutemov" <kirill.shutemov@...ux.intel.com>
Subject: [PATCHv2 0/8] thp/khugepaged improvements and CoW semantics
The patchset adds khugepaged selftest (anon-THP only for now), expands
cases khugepaged can handle and switches anon-THP copy-on-write handling
to 4k.
Please review and consider applying.
v2:
- Fix race in compound page handling;
- Add one more test-case for compound page case;
- Rework LRU add cache draining;
- Typos;
Kirill A. Shutemov (8):
khugepaged: Add self test
khugepaged: Do not stop collapse if less than half PTEs are referenced
khugepaged: Drain all LRU caches before scanning pages
khugepaged: Drain LRU add pagevec after swapin
khugepaged: Allow to callapse a page shared across fork
khugepaged: Allow to collapse PTE-mapped compound pages
thp: Change CoW semantics for anon-THP
khugepaged: Introduce 'max_ptes_shared' tunable
Documentation/admin-guide/mm/transhuge.rst | 7 +
include/trace/events/huge_memory.h | 3 +-
mm/huge_memory.c | 249 +-----
mm/khugepaged.c | 184 +++-
tools/testing/selftests/vm/Makefile | 1 +
tools/testing/selftests/vm/khugepaged.c | 982 +++++++++++++++++++++
6 files changed, 1153 insertions(+), 273 deletions(-)
create mode 100644 tools/testing/selftests/vm/khugepaged.c
--
2.26.0
Powered by blists - more mailing lists