[2/2] powerpc/mm/hash64: Allocate larger PMD table if hugetlb config is enabled.

Message ID 20180208103442.22045-2-aneesh.kumar@linux.vnet.ibm.com
State New
Headers show
Series
  • [1/2] powerpc/mm: Fix crashes with PUD level hugetlb config
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Commit Message

Aneesh Kumar K.V Feb. 8, 2018, 10:34 a.m.
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
---
 arch/powerpc/include/asm/book3s/64/hash-64k.h | 2 +-
 arch/powerpc/include/asm/book3s/64/hash.h     | 3 ++-
 2 files changed, 3 insertions(+), 2 deletions(-)

Patch

diff --git a/arch/powerpc/include/asm/book3s/64/hash-64k.h b/arch/powerpc/include/asm/book3s/64/hash-64k.h
index c08b3b032ec0..ee440fb3d240 100644
--- a/arch/powerpc/include/asm/book3s/64/hash-64k.h
+++ b/arch/powerpc/include/asm/book3s/64/hash-64k.h
@@ -140,7 +140,7 @@  static inline int hash__remap_4k_pfn(struct vm_area_struct *vma, unsigned long a
 }
 
 #define H_PTE_TABLE_SIZE	PTE_FRAG_SIZE
-#ifdef CONFIG_TRANSPARENT_HUGEPAGE
+#if defined(CONFIG_TRANSPARENT_HUGEPAGE) || defined (CONFIG_HUGETLB_PAGE)
 #define H_PMD_TABLE_SIZE	((sizeof(pmd_t) << PMD_INDEX_SIZE) + \
 				 (sizeof(unsigned long) << PMD_INDEX_SIZE))
 #else
diff --git a/arch/powerpc/include/asm/book3s/64/hash.h b/arch/powerpc/include/asm/book3s/64/hash.h
index 234f141fb151..0851c328bea6 100644
--- a/arch/powerpc/include/asm/book3s/64/hash.h
+++ b/arch/powerpc/include/asm/book3s/64/hash.h
@@ -23,7 +23,8 @@ 
 				 H_PUD_INDEX_SIZE + H_PGD_INDEX_SIZE + PAGE_SHIFT)
 #define H_PGTABLE_RANGE		(ASM_CONST(1) << H_PGTABLE_EADDR_SIZE)
 
-#if defined(CONFIG_TRANSPARENT_HUGEPAGE) &&  defined(CONFIG_PPC_64K_PAGES)
+#if (defined(CONFIG_TRANSPARENT_HUGEPAGE) || defined(CONFIG_HUGETLB_PAGE)) && \
+	defined(CONFIG_PPC_64K_PAGES)
 /*
  * only with hash 64k we need to use the second half of pmd page table
  * to store pointer to deposited pgtable_t