linux-kernel - [PATCH v2 13/14] mm: move vmalloc_init() declaration to mm/internal.h

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Message-Id: <20230321170513.2401534-14-rppt@kernel.org>
Date:   Tue, 21 Mar 2023 19:05:12 +0200
From:   Mike Rapoport <rppt@...nel.org>
To:     Andrew Morton <akpm@...ux-foundation.org>
Cc:     David Hildenbrand <david@...hat.com>,
        Doug Berger <opendmb@...il.com>,
        Matthew Wilcox <willy@...radead.org>,
        Mel Gorman <mgorman@...e.de>, Michal Hocko <mhocko@...nel.org>,
        Mike Rapoport <rppt@...nel.org>,
        Thomas Bogendoerfer <tsbogend@...ha.franken.de>,
        Vlastimil Babka <vbabka@...e.cz>, linux-kernel@...r.kernel.org,
        linux-mips@...r.kernel.org, linux-mm@...ck.org
Subject: [PATCH v2 13/14] mm: move vmalloc_init() declaration to mm/internal.h

From: "Mike Rapoport (IBM)" <rppt@...nel.org>

vmalloc_init() is called only from mm_core_init(), there is no need to
declare it in include/linux/vmalloc.h

Move vmalloc_init() declaration to mm/internal.h

Signed-off-by: Mike Rapoport (IBM) <rppt@...nel.org>
Reviewed-by: David Hildenbrand <david@...hat.com>
---
 include/linux/vmalloc.h | 4 ----
 mm/internal.h           | 5 +++++
 2 files changed, 5 insertions(+), 4 deletions(-)

diff --git a/include/linux/vmalloc.h b/include/linux/vmalloc.h
index 69250efa03d1..351fc7697214 100644
--- a/include/linux/vmalloc.h
+++ b/include/linux/vmalloc.h
@@ -131,12 +131,8 @@ extern void *vm_map_ram(struct page **pages, unsigned int count, int node);
 extern void vm_unmap_aliases(void);
 
 #ifdef CONFIG_MMU
-extern void __init vmalloc_init(void);
 extern unsigned long vmalloc_nr_pages(void);
 #else
-static inline void vmalloc_init(void)
-{
-}
 static inline unsigned long vmalloc_nr_pages(void) { return 0; }
 #endif
 
diff --git a/mm/internal.h b/mm/internal.h
index 02273c5e971f..c05ad651b515 100644
--- a/mm/internal.h
+++ b/mm/internal.h
@@ -900,9 +900,14 @@ size_t splice_folio_into_pipe(struct pipe_inode_info *pipe,
  * mm/vmalloc.c
  */
 #ifdef CONFIG_MMU
+void __init vmalloc_init(void);
 int vmap_pages_range_noflush(unsigned long addr, unsigned long end,
                 pgprot_t prot, struct page **pages, unsigned int page_shift);
 #else
+static inline void vmalloc_init(void)
+{
+}
+
 static inline
 int vmap_pages_range_noflush(unsigned long addr, unsigned long end,
                 pgprot_t prot, struct page **pages, unsigned int page_shift)
-- 
2.35.1