linux-kernel - [PATCH v2 2/2] mm/hugetlb: rename dissolve_free_huge_pages() to dissolve_free_hugetlb

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Date: Fri, 12 Apr 2024 11:21:39 -0700
From: Sidhartha Kumar <sidhartha.kumar@...cle.com>
To: linux-kernel@...r.kernel.org, linux-mm@...ck.org
Cc: akpm@...ux-foundation.org, willy@...radead.org, linmiaohe@...wei.com,
        jane.chu@...cle.com, muchun.song@...ux.dev, nao.horiguchi@...il.com,
        osalvador@...e.de, Sidhartha Kumar <sidhartha.kumar@...cle.com>
Subject: [PATCH v2 2/2] mm/hugetlb: rename dissolve_free_huge_pages() to dissolve_free_hugetlb_folios()

dissolve_free_huge_pages() only uses folios internally, rename it to
dissolve_free_hugetlb_folios() and change the comments which reference it.

Signed-off-by: Sidhartha Kumar <sidhartha.kumar@...cle.com>
---
 include/linux/hugetlb.h | 4 ++--
 mm/hugetlb.c            | 2 +-
 mm/memory_hotplug.c     | 4 ++--
 3 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/include/linux/hugetlb.h b/include/linux/hugetlb.h
index f4191b10345d6..9ad7b97069cda 100644
--- a/include/linux/hugetlb.h
+++ b/include/linux/hugetlb.h
@@ -862,7 +862,7 @@ static inline int hstate_index(struct hstate *h)
 }
 
 extern int dissolve_free_hugetlb_folio(struct folio *folio);
-extern int dissolve_free_huge_pages(unsigned long start_pfn,
+extern int dissolve_free_hugetlb_folios(unsigned long start_pfn,
 				    unsigned long end_pfn);
 
 #ifdef CONFIG_MEMORY_FAILURE
@@ -1153,7 +1153,7 @@ static inline int dissolve_free_hugetlb_folio(struct folio *folio)
 	return 0;
 }
 
-static inline int dissolve_free_huge_pages(unsigned long start_pfn,
+static inline int dissolve_free_hugetlb_folios(unsigned long start_pfn,
 					   unsigned long end_pfn)
 {
 	return 0;
diff --git a/mm/hugetlb.c b/mm/hugetlb.c
index f6dd5f597df16..51665b20d90f9 100644
--- a/mm/hugetlb.c
+++ b/mm/hugetlb.c
@@ -2472,7 +2472,7 @@ int dissolve_free_hugetlb_folio(struct folio *folio)
  * Also note that if dissolve_free_hugetlb_folio() returns with an error, all
  * free hugetlb folios that were dissolved before that error are lost.
  */
-int dissolve_free_huge_pages(unsigned long start_pfn, unsigned long end_pfn)
+int dissolve_free_hugetlb_folios(unsigned long start_pfn, unsigned long end_pfn)
 {
 	unsigned long pfn;
 	struct folio *folio;
diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c
index b79ba36e09e03..431b1f6753c0b 100644
--- a/mm/memory_hotplug.c
+++ b/mm/memory_hotplug.c
@@ -2051,11 +2051,11 @@ int __ref offline_pages(unsigned long start_pfn, unsigned long nr_pages,
 		}
 
 		/*
-		 * Dissolve free hugepages in the memory block before doing
+		 * Dissolve free hugetlb folios in the memory block before doing
 		 * offlining actually in order to make hugetlbfs's object
 		 * counting consistent.
 		 */
-		ret = dissolve_free_huge_pages(start_pfn, end_pfn);
+		ret = dissolve_free_hugetlb_folios(start_pfn, end_pfn);
 		if (ret) {
 			reason = "failure to dissolve huge pages";
 			goto failed_removal_isolated;
-- 
2.44.0