linux-kernel - [PATCH] mm: sparse: Consistently use

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Date: Fri, 31 May 2024 18:11:44 +0530
From: Dev Jain <dev.jain@....com>
To: akpm@...ux-foundation.org
Cc: linux-mm@...ck.org,
	linux-kernel@...r.kernel.org,
	Anshuman.Khandual@....com,
	Dev Jain <dev.jain@....com>
Subject: [PATCH] mm: sparse: Consistently use _nr

Consistenly name the return variable with an _nr suffix, whenever calling
pfn_to_section_nr(), to avoid confusion with a (struct mem_section *).

Signed-off-by: Dev Jain <dev.jain@....com>
---
 mm/sparse.c | 16 ++++++++--------
 1 file changed, 8 insertions(+), 8 deletions(-)

diff --git a/mm/sparse.c b/mm/sparse.c
index de40b2c73406..731f781e91b6 100644
--- a/mm/sparse.c
+++ b/mm/sparse.c
@@ -192,13 +192,13 @@ static void subsection_mask_set(unsigned long *map, unsigned long pfn,
 
 void __init subsection_map_init(unsigned long pfn, unsigned long nr_pages)
 {
-	int end_sec = pfn_to_section_nr(pfn + nr_pages - 1);
-	unsigned long nr, start_sec = pfn_to_section_nr(pfn);
+	int end_sec_nr = pfn_to_section_nr(pfn + nr_pages - 1);
+	unsigned long nr, start_sec_nr = pfn_to_section_nr(pfn);
 
 	if (!nr_pages)
 		return;
 
-	for (nr = start_sec; nr <= end_sec; nr++) {
+	for (nr = start_sec_nr; nr <= end_sec_nr; nr++) {
 		struct mem_section *ms;
 		unsigned long pfns;
 
@@ -229,17 +229,17 @@ static void __init memory_present(int nid, unsigned long start, unsigned long en
 	start &= PAGE_SECTION_MASK;
 	mminit_validate_memmodel_limits(&start, &end);
 	for (pfn = start; pfn < end; pfn += PAGES_PER_SECTION) {
-		unsigned long section = pfn_to_section_nr(pfn);
+		unsigned long section_nr = pfn_to_section_nr(pfn);
 		struct mem_section *ms;
 
-		sparse_index_init(section, nid);
-		set_section_nid(section, nid);
+		sparse_index_init(section_nr, nid);
+		set_section_nid(section_nr, nid);
 
-		ms = __nr_to_section(section);
+		ms = __nr_to_section(section_nr);
 		if (!ms->section_mem_map) {
 			ms->section_mem_map = sparse_encode_early_nid(nid) |
 							SECTION_IS_ONLINE;
-			__section_mark_present(ms, section);
+			__section_mark_present(ms, section_nr);
 		}
 	}
 }
-- 
2.30.2