linux-kernel - [PATCH v2 3/4] mm/sparse: Rename function related to section memmap allocation/free

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Date:   Tue, 26 Mar 2019 17:02:26 +0800
From:   Baoquan He <bhe@...hat.com>
To:     linux-kernel@...r.kernel.org
Cc:     linux-mm@...ck.org, akpm@...ux-foundation.org, mhocko@...e.com,
        rppt@...ux.ibm.com, osalvador@...e.de, willy@...radead.org,
        william.kucharski@...cle.com, Baoquan He <bhe@...hat.com>
Subject: [PATCH v2 3/4] mm/sparse: Rename function related to section memmap allocation/free

These functions are used to allocate/free section memmap, have nothing
to do with kmalloc/free during the handling. Rename them to remove
the confusion.

Signed-off-by: Baoquan He <bhe@...hat.com>
Acked-by: Mike Rapoport <rppt@...ux.ibm.com>
---
 mm/sparse.c | 16 ++++++++--------
 1 file changed, 8 insertions(+), 8 deletions(-)

diff --git a/mm/sparse.c b/mm/sparse.c
index f4f34d69131e..68a89d133fa7 100644
--- a/mm/sparse.c
+++ b/mm/sparse.c
@@ -590,13 +590,13 @@ void offline_mem_sections(unsigned long start_pfn, unsigned long end_pfn)
 #endif
 
 #ifdef CONFIG_SPARSEMEM_VMEMMAP
-static inline struct page *kmalloc_section_memmap(unsigned long pnum, int nid,
+static inline struct page *alloc_section_memmap(unsigned long pnum, int nid,
 		struct vmem_altmap *altmap)
 {
 	/* This will make the necessary allocations eventually. */
 	return sparse_mem_map_populate(pnum, nid, altmap);
 }
-static void __kfree_section_memmap(struct page *memmap,
+static void __free_section_memmap(struct page *memmap,
 		struct vmem_altmap *altmap)
 {
 	unsigned long start = (unsigned long)memmap;
@@ -614,7 +614,7 @@ static void free_map_bootmem(struct page *memmap)
 }
 #endif /* CONFIG_MEMORY_HOTREMOVE */
 #else
-static struct page *__kmalloc_section_memmap(void)
+static struct page *__alloc_section_memmap(void)
 {
 	struct page *page, *ret;
 	unsigned long memmap_size = sizeof(struct page) * PAGES_PER_SECTION;
@@ -635,13 +635,13 @@ static struct page *__kmalloc_section_memmap(void)
 	return ret;
 }
 
-static inline struct page *kmalloc_section_memmap(unsigned long pnum, int nid,
+static inline struct page *alloc_section_memmap(unsigned long pnum, int nid,
 		struct vmem_altmap *altmap)
 {
-	return __kmalloc_section_memmap();
+	return __alloc_section_memmap();
 }
 
-static void __kfree_section_memmap(struct page *memmap,
+static void __free_section_memmap(struct page *memmap,
 		struct vmem_altmap *altmap)
 {
 	if (is_vmalloc_addr(memmap))
@@ -722,7 +722,7 @@ int __meminit sparse_add_one_section(int nid, unsigned long start_pfn,
 	usemap = __kmalloc_section_usemap();
 	if (!usemap)
 		return -ENOMEM;
-	memmap = kmalloc_section_memmap(section_nr, nid, altmap);
+	memmap = alloc_section_memmap(section_nr, nid, altmap);
 	if (!memmap) {
 		kfree(usemap);
 		return  -ENOMEM;
@@ -786,7 +786,7 @@ static void free_section_usemap(struct page *memmap, unsigned long *usemap,
 	if (PageSlab(usemap_page) || PageCompound(usemap_page)) {
 		kfree(usemap);
 		if (memmap)
-			__kfree_section_memmap(memmap, altmap);
+			__free_section_memmap(memmap, altmap);
 		return;
 	}
 
-- 
2.17.2