Since commit 1f5307b1e094 ("mm, vmalloc: properly track vmalloc users"),
linux/vmalloc.h includes asm/pgtable.h prior to declaring struct
vm_area_struct, resulting in warnings such as the following on metag:
In file included from ./include/linux/vmalloc.h:10,
from lib/ioremap.c:9:
./arch/metag/include/asm/pgtable.h:221: warning: ‘struct vm_area_struct’ declared inside parameter list
./arch/metag/include/asm/pgtable.h:221: warning: its scope is only this definition or declaration, which is probably not what you want
Metag's asm/pgtable.h doesn't actually need the definition of struct
vm_area_struct, so just declare struct vm_area_struct in the header
rather than including linux/mm_types.h.
Fixes: 1f5307b1e094 ("mm, vmalloc: properly track vmalloc users")
Signed-off-by: James Hogan <james.hogan@xxxxxxxxxx>
Cc: Michal Hocko <mhocko@xxxxxxxx>
Cc: linux-metag@xxxxxxxxxxxxxxx
---
arch/metag/include/asm/pgtable.h | 2 ++
1 file changed, 2 insertions(+)
diff --git a/arch/metag/include/asm/pgtable.h b/arch/metag/include/asm/pgtable.h
index ffa3a3a2ecad..4ccb81943ca4 100644
--- a/arch/metag/include/asm/pgtable.h
+++ b/arch/metag/include/asm/pgtable.h
@@ -88,6 +88,8 @@
#include <asm/page.h>
+struct vm_area_struct; /* vma defining user mapping in mm_types.h */
+
/* zero page used for uninitialized stuff */
extern unsigned long empty_zero_page;
#define ZERO_PAGE(vaddr) (virt_to_page(empty_zero_page))
--
2.12.2
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