linux-kernel - [PATCH 2/3] mm: provide a print_vma_addr stub for !CONFIG

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Message-Id: <20190703122359.18200-3-hch@lst.de>
Date:   Wed,  3 Jul 2019 05:23:58 -0700
From:   Christoph Hellwig <hch@....de>
To:     Andrew Morton <akpm@...ux-foundation.org>
Cc:     Arnd Bergmann <arnd@...db.de>, linux-riscv@...ts.infradead.org,
        linux-arch@...r.kernel.org, linux-mm@...ck.org,
        linux-kernel@...r.kernel.org,
        Vladimir Murzin <vladimir.murzin@....com>
Subject: [PATCH 2/3] mm: provide a print_vma_addr stub for !CONFIG_MMU

Signed-off-by: Christoph Hellwig <hch@....de>
Reviewed-by: Vladimir Murzin <vladimir.murzin@....com>
---
 include/linux/mm.h | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/include/linux/mm.h b/include/linux/mm.h
index dd0b5f4e1e45..69843ee0c5f8 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -2756,7 +2756,13 @@ extern int randomize_va_space;
 #endif
 
 const char * arch_vma_name(struct vm_area_struct *vma);
+#ifdef CONFIG_MMU
 void print_vma_addr(char *prefix, unsigned long rip);
+#else
+static inline void print_vma_addr(char *prefix, unsigned long rip)
+{
+}
+#endif
 
 void *sparse_buffer_alloc(unsigned long size);
 struct page *sparse_mem_map_populate(unsigned long pnum, int nid,
-- 
2.20.1