linux-kernel - [PATCH v6 2/7] mm: rename alloc_demote_folio to alloc_migrate

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Message-ID: <20240614030010.751-3-honggyu.kim@sk.com>
Date: Fri, 14 Jun 2024 12:00:04 +0900
From: Honggyu Kim <honggyu.kim@...com>
To: SeongJae Park <sj@...nel.org>,
	damon@...ts.linux.dev
Cc: Andrew Morton <akpm@...ux-foundation.org>,
	Masami Hiramatsu <mhiramat@...nel.org>,
	Mathieu Desnoyers <mathieu.desnoyers@...icios.com>,
	Steven Rostedt <rostedt@...dmis.org>,
	Gregory Price <gregory.price@...verge.com>,
	linux-mm@...ck.org,
	linux-kernel@...r.kernel.org,
	linux-trace-kernel@...r.kernel.org,
	42.hyeyoo@...il.com,
	art.jeongseob@...il.com,
	kernel_team@...ynix.com,
	Honggyu Kim <honggyu.kim@...com>
Subject: [PATCH v6 2/7] 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.

Signed-off-by: Honggyu Kim <honggyu.kim@...com>
Reviewed-by: SeongJae Park <sj@...nel.org>
---
 mm/internal.h | 2 +-
 mm/vmscan.c   | 4 ++--
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/mm/internal.h b/mm/internal.h
index b3ca996a4efc..9f967842f636 100644
--- a/mm/internal.h
+++ b/mm/internal.h
@@ -1052,7 +1052,7 @@ 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 2f4406872f43..f5414b101909 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -916,7 +916,7 @@ 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;
@@ -979,7 +979,7 @@ 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);
 
-- 
2.34.1