mm: rename alloc_demote_folio to alloc_migrate_folio

The alloc_demote_folio can also be used for general migration including
both demotion and promotion so it'd be better to rename it from
alloc_demote_folio to alloc_migrate_folio.

Link: https://lkml.kernel.org/r/20240614030010.751-3-honggyu.kim@sk.com
Signed-off-by: Honggyu Kim <honggyu.kim@sk.com>
Reviewed-by: SeongJae Park <sj@kernel.org>
Cc: Gregory Price <gregory.price@memverge.com>
Cc: Hyeonggon Yoo <42.hyeyoo@gmail.com>
Cc: Hyeongtak Ji <hyeongtak.ji@sk.com>
Cc: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Cc: Rakie Kim <rakie.kim@sk.com>
Cc: Steven Rostedt (Google) <rostedt@goodmis.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

diff --git a/mm/internal.h b/mm/internal.h
index 628dc6bfad7830ddf741746372599273274d59a8..34217cf4514db39a6f03be50a035fa8e0c6fe6e9 100644 (file)
--- a/mm/internal.h
+++ b/mm/internal.h
@@ -1078,7 +1078,7 @@ extern unsigned long  __must_check vm_mmap_pgoff(struct file *, unsigned long,
         unsigned long, unsigned long);
 
 extern void set_pageblock_order(void);
-struct folio *alloc_demote_folio(struct folio *src, unsigned long private);
+struct folio *alloc_migrate_folio(struct folio *src, unsigned long private);
 unsigned long reclaim_pages(struct list_head *folio_list);
 unsigned int reclaim_clean_pages_from_list(struct zone *zone,
                                            struct list_head *folio_list);

diff --git a/mm/vmscan.c b/mm/vmscan.c
index 5713c29e70c4ebb37cb2061de73c6414a22c8aaf..633632cb9344beaf2074cdad662c1883593e247d 100644 (file)
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -919,7 +919,7 @@ static void folio_check_dirty_writeback(struct folio *folio,
                mapping->a_ops->is_dirty_writeback(folio, dirty, writeback);
 }
 
-struct folio *alloc_demote_folio(struct folio *src, unsigned long private)
+struct folio *alloc_migrate_folio(struct folio *src, unsigned long private)
 {
        struct folio *dst;
        nodemask_t *allowed_mask;
@@ -982,7 +982,7 @@ 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_folio, NULL,
+       migrate_pages(demote_folios, alloc_migrate_folio, NULL,
                      (unsigned long)&mtc, MIGRATE_ASYNC, MR_DEMOTION,
                      &nr_succeeded);