[PATCH v2 1/2] powerpc/mm/hash/4k: Don't use 64K page size for vmemmap with 4K pagesize

Aneesh Kumar K.V aneesh.kumar at linux.ibm.com
Tue Jul 2 00:34:41 AEST 2019


With hash translation and 4K PAGE_SIZE config, we need to make sure we don't
use 64K page size for vmemmap.

Signed-off-by: Aneesh Kumar K.V <aneesh.kumar at linux.ibm.com>
---
 arch/powerpc/mm/book3s64/hash_utils.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/arch/powerpc/mm/book3s64/hash_utils.c b/arch/powerpc/mm/book3s64/hash_utils.c
index 28ced26f2a00..a8cc40d2a9ed 100644
--- a/arch/powerpc/mm/book3s64/hash_utils.c
+++ b/arch/powerpc/mm/book3s64/hash_utils.c
@@ -684,10 +684,8 @@ static void __init htab_init_page_sizes(void)
 	if (mmu_psize_defs[MMU_PAGE_16M].shift &&
 	    memblock_phys_mem_size() >= 0x40000000)
 		mmu_vmemmap_psize = MMU_PAGE_16M;
-	else if (mmu_psize_defs[MMU_PAGE_64K].shift)
-		mmu_vmemmap_psize = MMU_PAGE_64K;
 	else
-		mmu_vmemmap_psize = MMU_PAGE_4K;
+		mmu_vmemmap_psize = mmu_virtual_psize;
 #endif /* CONFIG_SPARSEMEM_VMEMMAP */
 
 	printk(KERN_DEBUG "Page orders: linear mapping = %d, "
-- 
2.21.0



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