diff options
Diffstat (limited to 'arch/powerpc/mm/hugetlbpage.c')
-rw-r--r-- | arch/powerpc/mm/hugetlbpage.c | 22 |
1 files changed, 11 insertions, 11 deletions
diff --git a/arch/powerpc/mm/hugetlbpage.c b/arch/powerpc/mm/hugetlbpage.c index f0c3b88d50fa..201c7a5486cb 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 | ||
60 | static const char *huge_pgtable_cache_name[MMU_PAGE_COUNT] = { | 59 | static 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, | |||
113 | static int __hugepte_alloc(struct mm_struct *mm, hugepd_t *hpdp, | 112 | static 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); |
@@ -763,13 +762,14 @@ static int __init hugetlbpage_init(void) | |||
763 | 762 | ||
764 | for (psize = 0; psize < MMU_PAGE_COUNT; ++psize) { | 763 | for (psize = 0; psize < MMU_PAGE_COUNT; ++psize) { |
765 | if (mmu_huge_psizes[psize]) { | 764 | if (mmu_huge_psizes[psize]) { |
766 | huge_pgtable_cache(psize) = kmem_cache_create( | 765 | pgtable_cache[HUGE_PGTABLE_INDEX(psize)] = |
767 | HUGEPTE_CACHE_NAME(psize), | 766 | kmem_cache_create( |
768 | HUGEPTE_TABLE_SIZE(psize), | 767 | HUGEPTE_CACHE_NAME(psize), |
769 | HUGEPTE_TABLE_SIZE(psize), | 768 | HUGEPTE_TABLE_SIZE(psize), |
770 | 0, | 769 | HUGEPTE_TABLE_SIZE(psize), |
771 | NULL); | 770 | 0, |
772 | if (!huge_pgtable_cache(psize)) | 771 | NULL); |
772 | if (!pgtable_cache[HUGE_PGTABLE_INDEX(psize)]) | ||
773 | panic("hugetlbpage_init(): could not create %s"\ | 773 | panic("hugetlbpage_init(): could not create %s"\ |
774 | "\n", HUGEPTE_CACHE_NAME(psize)); | 774 | "\n", HUGEPTE_CACHE_NAME(psize)); |
775 | } | 775 | } |