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-rw-r--r--arch/x86/mm/init_32.c22
1 files changed, 5 insertions, 17 deletions
diff --git a/arch/x86/mm/init_32.c b/arch/x86/mm/init_32.c
index 730a5b177b1f..aa4708fda3e2 100644
--- a/arch/x86/mm/init_32.c
+++ b/arch/x86/mm/init_32.c
@@ -746,24 +746,12 @@ struct kmem_cache *pmd_cache;
746 746
747void __init pgtable_cache_init(void) 747void __init pgtable_cache_init(void)
748{ 748{
749 size_t pgd_size = PTRS_PER_PGD*sizeof(pgd_t); 749 if (PTRS_PER_PMD > 1)
750
751 if (PTRS_PER_PMD > 1) {
752 pmd_cache = kmem_cache_create("pmd", 750 pmd_cache = kmem_cache_create("pmd",
753 PTRS_PER_PMD*sizeof(pmd_t), 751 PTRS_PER_PMD*sizeof(pmd_t),
754 PTRS_PER_PMD*sizeof(pmd_t), 752 PTRS_PER_PMD*sizeof(pmd_t),
755 SLAB_PANIC, 753 SLAB_PANIC,
756 pmd_ctor); 754 pmd_ctor);
757 if (!SHARED_KERNEL_PMD) {
758 /* If we're in PAE mode and have a non-shared
759 kernel pmd, then the pgd size must be a
760 page size. This is because the pgd_list
761 links through the page structure, so there
762 can only be one pgd per page for this to
763 work. */
764 pgd_size = PAGE_SIZE;
765 }
766 }
767} 755}
768 756
769/* 757/*