# \[PATCH v3 1/5\] powerpc/mm: set the radix linear page mapping size

- From: Reza Arbab \<hidden\>
- Date: 2016-12-15 19:50:52 
- List: linuxppc-dev
- Page: https://ratatoskr.run/linuxppc-dev/2016/12/9494344
- Thread: https://ratatoskr.run/linuxppc-dev/2016/12/9494347/t.md

```text
This was defaulting to 4K, regardless of PAGE_SIZE.

Signed-off-by: Reza Arbab <redacted>
---
 arch/powerpc/mm/pgtable-radix.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/powerpc/mm/pgtable-radix.c b/arch/powerpc/mm/pgtable-radix.c
index 623a0dc..54bd70e 100644
--- a/arch/powerpc/mm/pgtable-radix.c
+++ b/arch/powerpc/mm/pgtable-radix.c
@@ -351,8 +351,10 @@ void __init radix__early_init_mmu(void)
 #ifdef CONFIG_PPC_64K_PAGES
 	/* PAGE_SIZE mappings */
 	mmu_virtual_psize = MMU_PAGE_64K;
+	mmu_linear_psize = MMU_PAGE_64K;
 #else
 	mmu_virtual_psize = MMU_PAGE_4K;
+	mmu_linear_psize = MMU_PAGE_4K;
 #endif
 
 #ifdef CONFIG_SPARSEMEM_VMEMMAP
-- 
1.8.3.1
```