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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 /mm/vmscan.c | |
| parent | b2cac248191b7466c5819e0da617b0705a26e197 (diff) | |
| download | lwn-4e096ae1801e24b338e02715c65c3ffa8883ba5d.tar.gz lwn-4e096ae1801e24b338e02715c65c3ffa8883ba5d.zip | |
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 'mm/vmscan.c')
| -rw-r--r-- | mm/vmscan.c | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/mm/vmscan.c b/mm/vmscan.c index 15efbfbb1963..4637f6462e9c 100644 --- a/mm/vmscan.c +++ b/mm/vmscan.c @@ -1621,9 +1621,10 @@ static void folio_check_dirty_writeback(struct folio *folio, mapping->a_ops->is_dirty_writeback(folio, dirty, writeback); } -static struct page *alloc_demote_page(struct page *page, unsigned long private) +static struct folio *alloc_demote_folio(struct folio *src, + unsigned long private) { - struct page *target_page; + struct folio *dst; nodemask_t *allowed_mask; struct migration_target_control *mtc; @@ -1641,14 +1642,14 @@ static struct page *alloc_demote_page(struct page *page, unsigned long private) */ mtc->nmask = NULL; mtc->gfp_mask |= __GFP_THISNODE; - target_page = alloc_migration_target(page, (unsigned long)mtc); - if (target_page) - return target_page; + dst = alloc_migration_target(src, (unsigned long)mtc); + if (dst) + return dst; mtc->gfp_mask &= ~__GFP_THISNODE; mtc->nmask = allowed_mask; - return alloc_migration_target(page, (unsigned long)mtc); + return alloc_migration_target(src, (unsigned long)mtc); } /* @@ -1683,7 +1684,7 @@ static unsigned int demote_folio_list(struct list_head *demote_folios, node_get_allowed_targets(pgdat, &allowed_mask); /* Demotion ignores all cpuset and mempolicy settings */ - migrate_pages(demote_folios, alloc_demote_page, NULL, + migrate_pages(demote_folios, alloc_demote_folio, NULL, (unsigned long)&mtc, MIGRATE_ASYNC, MR_DEMOTION, &nr_succeeded); |