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author | David Hildenbrand <david@redhat.com> | 2024-04-09 22:22:46 +0300 |
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committer | Andrew Morton <akpm@linux-foundation.org> | 2024-05-06 03:53:28 +0300 |
commit | 46d62de7ad1286854e0c2944ad26a1c1b1a5f191 (patch) | |
tree | eddbaa7e22871aaf46b9ae318f7ccda84acf4fca /mm/page_alloc.c | |
parent | c2e65ebc02fb60b64a1c5689fe2c6f60d0fc1626 (diff) | |
download | linux-46d62de7ad1286854e0c2944ad26a1c1b1a5f191.tar.xz |
mm/rmap: add fast-path for small folios when adding/removing/duplicating
Let's add a fast-path for small folios to all relevant rmap functions.
Note that only RMAP_LEVEL_PTE applies.
This is a preparation for tracking the mapcount of large folios in a
single value.
Link: https://lkml.kernel.org/r/20240409192301.907377-4-david@redhat.com
Signed-off-by: David Hildenbrand <david@redhat.com>
Reviewed-by: Yin Fengwei <fengwei.yin@intel.com>
Cc: Chris Zankel <chris@zankel.net>
Cc: Hugh Dickins <hughd@google.com>
Cc: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Matthew Wilcox (Oracle) <willy@infradead.org>
Cc: Max Filippov <jcmvbkbc@gmail.com>
Cc: Miaohe Lin <linmiaohe@huawei.com>
Cc: Muchun Song <muchun.song@linux.dev>
Cc: Naoya Horiguchi <nao.horiguchi@gmail.com>
Cc: Peter Xu <peterx@redhat.com>
Cc: Richard Chang <richardycc@google.com>
Cc: Rich Felker <dalias@libc.org>
Cc: Ryan Roberts <ryan.roberts@arm.com>
Cc: Yang Shi <shy828301@gmail.com>
Cc: Yoshinori Sato <ysato@users.sourceforge.jp>
Cc: Zi Yan <ziy@nvidia.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'mm/page_alloc.c')
0 files changed, 0 insertions, 0 deletions