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-rw-r--r--arch/powerpc/mm/hugetlbpage.c22
1 files changed, 11 insertions, 11 deletions
diff --git a/arch/powerpc/mm/hugetlbpage.c b/arch/powerpc/mm/hugetlbpage.c
index a117024ab8cd..c2231358adbb 100644
--- a/arch/powerpc/mm/hugetlbpage.c
+++ b/arch/powerpc/mm/hugetlbpage.c
@@ -53,8 +53,7 @@ unsigned int mmu_huge_psizes[MMU_PAGE_COUNT] = { }; /* initialize all to 0 */
53 53
54/* Subtract one from array size because we don't need a cache for 4K since 54/* Subtract one from array size because we don't need a cache for 4K since
55 * is not a huge page size */ 55 * is not a huge page size */
56#define huge_pgtable_cache(psize) (pgtable_cache[HUGEPTE_CACHE_NUM \ 56#define HUGE_PGTABLE_INDEX(psize) (HUGEPTE_CACHE_NUM + psize - 1)
57 + psize-1])
58#define HUGEPTE_CACHE_NAME(psize) (huge_pgtable_cache_name[psize]) 57#define HUGEPTE_CACHE_NAME(psize) (huge_pgtable_cache_name[psize])
59 58
60static const char *huge_pgtable_cache_name[MMU_PAGE_COUNT] = { 59static const char *huge_pgtable_cache_name[MMU_PAGE_COUNT] = {
@@ -113,7 +112,7 @@ static inline pte_t *hugepte_offset(hugepd_t *hpdp, unsigned long addr,
113static int __hugepte_alloc(struct mm_struct *mm, hugepd_t *hpdp, 112static int __hugepte_alloc(struct mm_struct *mm, hugepd_t *hpdp,
114 unsigned long address, unsigned int psize) 113 unsigned long address, unsigned int psize)
115{ 114{
116 pte_t *new = kmem_cache_zalloc(huge_pgtable_cache(psize), 115 pte_t *new = kmem_cache_zalloc(pgtable_cache[HUGE_PGTABLE_INDEX(psize)],
117 GFP_KERNEL|__GFP_REPEAT); 116 GFP_KERNEL|__GFP_REPEAT);
118 117
119 if (! new) 118 if (! new)
@@ -121,7 +120,7 @@ static int __hugepte_alloc(struct mm_struct *mm, hugepd_t *hpdp,
121 120
122 spin_lock(&mm->page_table_lock); 121 spin_lock(&mm->page_table_lock);
123 if (!hugepd_none(*hpdp)) 122 if (!hugepd_none(*hpdp))
124 kmem_cache_free(huge_pgtable_cache(psize), new); 123 kmem_cache_free(pgtable_cache[HUGE_PGTABLE_INDEX(psize)], new);
125 else 124 else
126 hpdp->pd = (unsigned long)new | HUGEPD_OK; 125 hpdp->pd = (unsigned long)new | HUGEPD_OK;
127 spin_unlock(&mm->page_table_lock); 126 spin_unlock(&mm->page_table_lock);
@@ -760,13 +759,14 @@ static int __init hugetlbpage_init(void)
760 759
761 for (psize = 0; psize < MMU_PAGE_COUNT; ++psize) { 760 for (psize = 0; psize < MMU_PAGE_COUNT; ++psize) {
762 if (mmu_huge_psizes[psize]) { 761 if (mmu_huge_psizes[psize]) {
763 huge_pgtable_cache(psize) = kmem_cache_create( 762 pgtable_cache[HUGE_PGTABLE_INDEX(psize)] =
764 HUGEPTE_CACHE_NAME(psize), 763 kmem_cache_create(
765 HUGEPTE_TABLE_SIZE(psize), 764 HUGEPTE_CACHE_NAME(psize),
766 HUGEPTE_TABLE_SIZE(psize), 765 HUGEPTE_TABLE_SIZE(psize),
767 0, 766 HUGEPTE_TABLE_SIZE(psize),
768 NULL); 767 0,
769 if (!huge_pgtable_cache(psize)) 768 NULL);
769 if (!pgtable_cache[HUGE_PGTABLE_INDEX(psize)])
770 panic("hugetlbpage_init(): could not create %s"\ 770 panic("hugetlbpage_init(): could not create %s"\
771 "\n", HUGEPTE_CACHE_NAME(psize)); 771 "\n", HUGEPTE_CACHE_NAME(psize));
772 } 772 }