From: "Mike Rapoport (IBM)" <r...@kernel.org>

There is stale definition of pfn_valid() for DISCONTINGMEM memory model
guarded !FLATMEM && !SPARSEMEM && NUMA ifdefery.

Remove everything but definition of pfn_valid() for FLATMEM.

Signed-off-by: Mike Rapoport (IBM) <r...@kernel.org>
---
 arch/mips/include/asm/page.h | 15 ---------------
 1 file changed, 15 deletions(-)

diff --git a/arch/mips/include/asm/page.h b/arch/mips/include/asm/page.h
index 96bc798c1ec1..9286f11ff6ad 100644
--- a/arch/mips/include/asm/page.h
+++ b/arch/mips/include/asm/page.h
@@ -235,21 +235,6 @@ static inline int pfn_valid(unsigned long pfn)
        return pfn >= pfn_offset && pfn < max_mapnr;
 }
 
-#elif defined(CONFIG_SPARSEMEM)
-
-/* pfn_valid is defined in linux/mmzone.h */
-
-#elif defined(CONFIG_NUMA)
-
-#define pfn_valid(pfn)                                                 \
-({                                                                     \
-       unsigned long __pfn = (pfn);                                    \
-       int __n = pfn_to_nid(__pfn);                                    \
-       ((__n >= 0) ? (__pfn < NODE_DATA(__n)->node_start_pfn +         \
-                              NODE_DATA(__n)->node_spanned_pages)      \
-                   : 0);                                               \
-})
-
 #endif
 
 #define virt_to_pfn(kaddr)     PFN_DOWN(virt_to_phys((void *)(kaddr)))
-- 
2.35.1


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