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| author | David Hildenbrand <david@redhat.com> | 2023-12-20 23:45:03 +0100 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2023-12-29 11:58:56 -0800 |
| commit | e78a13fd16bb9d9712f61be2bd6612a092ce66ea (patch) | |
| tree | f568904673bd351a6d8cbb3f1818d91096f2e97b /Documentation/mm | |
| parent | e3b4b1374f87c71e9309efc6149f113cdd17af72 (diff) | |
| download | linux-e78a13fd16bb9d9712f61be2bd6612a092ce66ea.tar.gz | |
mm/rmap: rename COMPOUND_MAPPED to ENTIRELY_MAPPED
We removed all "bool compound" and RMAP_COMPOUND parameters. Let's remove
the remaining "compound" terminology by making COMPOUND_MAPPED match the
"folio->_entire_mapcount" terminology, renaming it to ENTIRELY_MAPPED.
ENTIRELY_MAPPED is only used when the whole folio is mapped using a single
page table entry (e.g., a single PMD mapping a PMD-sized THP). For now,
we don't support mapping any THP bigger than that, so ENTIRELY_MAPPED only
applies to PMD-mapped PMD-sized THP only.
Link: https://lkml.kernel.org/r/20231220224504.646757-40-david@redhat.com
Signed-off-by: David Hildenbrand <david@redhat.com>
Cc: Hugh Dickins <hughd@google.com>
Cc: Matthew Wilcox (Oracle) <willy@infradead.org>
Cc: Muchun Song <muchun.song@linux.dev>
Cc: Muchun Song <songmuchun@bytedance.com>
Cc: Peter Xu <peterx@redhat.com>
Cc: Ryan Roberts <ryan.roberts@arm.com>
Cc: Yin Fengwei <fengwei.yin@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'Documentation/mm')
| -rw-r--r-- | Documentation/mm/transhuge.rst | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/Documentation/mm/transhuge.rst b/Documentation/mm/transhuge.rst index cf81272a6b8b6c..93c9239b9ebe23 100644 --- a/Documentation/mm/transhuge.rst +++ b/Documentation/mm/transhuge.rst @@ -117,7 +117,7 @@ pages: - map/unmap of a PMD entry for the whole THP increment/decrement folio->_entire_mapcount and also increment/decrement - folio->_nr_pages_mapped by COMPOUND_MAPPED when _entire_mapcount + folio->_nr_pages_mapped by ENTIRELY_MAPPED when _entire_mapcount goes from -1 to 0 or 0 to -1. - map/unmap of individual pages with PTE entry increment/decrement |