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| author | Matthew Wilcox (Oracle) <willy@infradead.org> | 2023-05-13 01:11:01 +0100 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2023-06-09 16:25:27 -0700 |
| commit | 4e096ae1801e24b338e02715c65c3ffa8883ba5d (patch) | |
| tree | bd3c655a292b70dd3d210187e27eba4a0ecd742a /Documentation/mm | |
| parent | b2cac248191b7466c5819e0da617b0705a26e197 (diff) | |
| download | linux-4e096ae1801e24b338e02715c65c3ffa8883ba5d.tar.gz | |
mm: convert migrate_pages() to work on folios
Almost all of the callers & implementors of migrate_pages() were already
converted to use folios. compaction_alloc() & compaction_free() are
trivial to convert a part of this patch and not worth splitting out.
Link: https://lkml.kernel.org/r/20230513001101.276972-1-willy@infradead.org
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: "Huang, Ying" <ying.huang@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'Documentation/mm')
| -rw-r--r-- | Documentation/mm/page_migration.rst | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/Documentation/mm/page_migration.rst b/Documentation/mm/page_migration.rst index 313dce18893e91..e35af7805be54a 100644 --- a/Documentation/mm/page_migration.rst +++ b/Documentation/mm/page_migration.rst @@ -73,14 +73,13 @@ In kernel use of migrate_pages() It also prevents the swapper or other scans from encountering the page. -2. We need to have a function of type new_page_t that can be +2. We need to have a function of type new_folio_t that can be passed to migrate_pages(). This function should figure out - how to allocate the correct new page given the old page. + how to allocate the correct new folio given the old folio. 3. The migrate_pages() function is called which attempts to do the migration. It will call the function to allocate - the new page for each page that is considered for - moving. + the new folio for each folio that is considered for moving. How migrate_pages() works ========================= |