[PATCH v2 3/4] mips: drop definition of pfn_valid() for DISCONTIGMEM

Mike Rapoport
2023-01-29T12:44:05Z

From: "Mike Rapoport (IBM)" <rppt@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) <rppt@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