lkml.org 
[lkml]   [2024]   [Apr]   [9]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    /
    From
    Subject[PATCH v4 0/9] transfer page to folio in KSM
    Date
    From: "Alex Shi (tencent)" <alexs@kernel.org>

    This is the first part of page to folio transfer on KSM. Since only
    single page could be stored in KSM, we could safely transfer stable tree
    pages to folios.
    This patchset could reduce ksm.o 57kbytes from 2541776 bytes on latest
    akpm/mm-stable branch with CONFIG_DEBUG_VM enabled. It pass the KSM testing
    in LTP and kernel selftest.

    Thanks for Matthew Wilcox and David Hildenbrand's suggestions and comments!

    Alex Shi (tencent) (9):
    mm/ksm: add ksm_get_folio
    mm/ksm: use folio in remove_rmap_item_from_tree
    mm/ksm: add folio_set_stable_node
    mm/ksm: use folio in remove_stable_node
    mm/ksm: use folio in stable_node_dup
    mm/ksm: use ksm_get_folio in scan_get_next_rmap_item
    mm/ksm: use folio in write_protect_page
    mm/ksm: Convert chain series funcs to use and return folios
    mm/ksm: replace set_page_stable_node by folio_set_stable_node

    mm/ksm.c | 263 ++++++++++++++++++++++++++-------------------------
    mm/migrate.c | 2 +-
    2 files changed, 134 insertions(+), 131 deletions(-)

    --
    2.43.0


    \
     
     \ /
      Last update: 2024-05-27 16:30    [W:2.976 / U:0.736 seconds]
    ©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site