commit 738f9645550ea6887f119e44dc479821e44571bd
author Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Mon Apr 16 16:57:23 2018 +0530
committer Michael Ellerman <mpe@ellerman.id.au> Tue May 15 22:29:12 2018 +1000
tree 4a2f223c229a8e3a24d050b3f759e764f97bb930
parent 8a6c697b993974eeb05f540fb0ff2515346dbefd

powerpc/mm: Use page fragments for allocation page table at PMD level

Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>

arch/powerpc/mm/hash_utils_64.c

diff --git a/arch/powerpc/mm/hash_utils_64.c b/arch/powerpc/mm/hash_utils_64.c
index 2fb1c8d..3dc3dd3 100644
--- a/arch/powerpc/mm/hash_utils_64.c
+++ b/arch/powerpc/mm/hash_utils_64.c
@@ -1020,7 +1020,6 @@ void __init hash__early_init_mmu(void)
 	__pud_index_size = H_PUD_INDEX_SIZE;
 	__pgd_index_size = H_PGD_INDEX_SIZE;
 	__pud_cache_index = H_PUD_CACHE_INDEX;
-	__pmd_cache_index = H_PMD_CACHE_INDEX;
 	__pte_table_size = H_PTE_TABLE_SIZE;
 	__pmd_table_size = H_PMD_TABLE_SIZE;
 	__pud_table_size = H_PUD_TABLE_SIZE;

arch/powerpc/mm/pgtable-book3s64.c

diff --git a/arch/powerpc/mm/pgtable-book3s64.c b/arch/powerpc/mm/pgtable-book3s64.c
index 47323ed..abda2b92 100644
--- a/arch/powerpc/mm/pgtable-book3s64.c
+++ b/arch/powerpc/mm/pgtable-book3s64.c
@@ -400,7 +400,7 @@ static inline void pgtable_free(void *table, int index)
 		pte_fragment_free(table, 0);
 		break;
 	case PMD_INDEX:
-		kmem_cache_free(PGT_CACHE(PMD_CACHE_INDEX), table);
+		pmd_fragment_free(table);
 		break;
 	case PUD_INDEX:
 		kmem_cache_free(PGT_CACHE(PUD_CACHE_INDEX), table);
@@ -431,7 +431,6 @@ void __tlb_remove_table(void *_table)
 #else
 void pgtable_free_tlb(struct mmu_gather *tlb, void *table, int index)
 {
-
 	return pgtable_free(table, index);
 }
 #endif

arch/powerpc/mm/pgtable-radix.c

diff --git a/arch/powerpc/mm/pgtable-radix.c b/arch/powerpc/mm/pgtable-radix.c
index 32e5802..ce24d72 100644
--- a/arch/powerpc/mm/pgtable-radix.c
+++ b/arch/powerpc/mm/pgtable-radix.c
@@ -617,7 +617,6 @@ void __init radix__early_init_mmu(void)
 	__pud_index_size = RADIX_PUD_INDEX_SIZE;
 	__pgd_index_size = RADIX_PGD_INDEX_SIZE;
 	__pud_cache_index = RADIX_PUD_INDEX_SIZE;
-	__pmd_cache_index = RADIX_PMD_INDEX_SIZE;
 	__pte_table_size = RADIX_PTE_TABLE_SIZE;
 	__pmd_table_size = RADIX_PMD_TABLE_SIZE;
 	__pud_table_size = RADIX_PUD_TABLE_SIZE;

arch/powerpc/mm/pgtable_64.c

diff --git a/arch/powerpc/mm/pgtable_64.c b/arch/powerpc/mm/pgtable_64.c
index f0208f8..53e9eee 100644
--- a/arch/powerpc/mm/pgtable_64.c
+++ b/arch/powerpc/mm/pgtable_64.c
@@ -72,8 +72,6 @@ unsigned long __pud_index_size;
 EXPORT_SYMBOL(__pud_index_size);
 unsigned long __pgd_index_size;
 EXPORT_SYMBOL(__pgd_index_size);
-unsigned long __pmd_cache_index;
-EXPORT_SYMBOL(__pmd_cache_index);
 unsigned long __pud_cache_index;
 EXPORT_SYMBOL(__pud_cache_index);
 unsigned long __pte_table_size;