diff options
Diffstat (limited to 'arch/xtensa/mm')
| -rw-r--r-- | arch/xtensa/mm/init.c | 2 | ||||
| -rw-r--r-- | arch/xtensa/mm/pgtable.c | 24 |
2 files changed, 11 insertions, 15 deletions
diff --git a/arch/xtensa/mm/init.c b/arch/xtensa/mm/init.c index 5a91d6c9e66d..e1be4235f367 100644 --- a/arch/xtensa/mm/init.c +++ b/arch/xtensa/mm/init.c | |||
| @@ -272,7 +272,7 @@ free_reserved_mem(void *start, void *end) | |||
| 272 | { | 272 | { |
| 273 | for (; start < end; start += PAGE_SIZE) { | 273 | for (; start < end; start += PAGE_SIZE) { |
| 274 | ClearPageReserved(virt_to_page(start)); | 274 | ClearPageReserved(virt_to_page(start)); |
| 275 | set_page_count(virt_to_page(start), 1); | 275 | init_page_count(virt_to_page(start)); |
| 276 | free_page((unsigned long)start); | 276 | free_page((unsigned long)start); |
| 277 | totalram_pages++; | 277 | totalram_pages++; |
| 278 | } | 278 | } |
diff --git a/arch/xtensa/mm/pgtable.c b/arch/xtensa/mm/pgtable.c index e5e119c820e4..7d28914d11cb 100644 --- a/arch/xtensa/mm/pgtable.c +++ b/arch/xtensa/mm/pgtable.c | |||
| @@ -14,25 +14,21 @@ | |||
| 14 | 14 | ||
| 15 | pte_t* pte_alloc_one_kernel(struct mm_struct *mm, unsigned long address) | 15 | pte_t* pte_alloc_one_kernel(struct mm_struct *mm, unsigned long address) |
| 16 | { | 16 | { |
| 17 | pte_t *pte, p; | 17 | pte_t *pte = NULL, *p; |
| 18 | int color = ADDR_COLOR(address); | 18 | int color = ADDR_COLOR(address); |
| 19 | int i; | 19 | int i; |
| 20 | 20 | ||
| 21 | p = (pte_t*) __get_free_pages(GFP_KERNEL|__GFP_REPEAT, COLOR_ORDER); | 21 | p = (pte_t*) __get_free_pages(GFP_KERNEL|__GFP_REPEAT, COLOR_ORDER); |
| 22 | 22 | ||
| 23 | if (likely(p)) { | 23 | if (likely(p)) { |
| 24 | struct page *page; | 24 | split_page(virt_to_page(p), COLOR_ORDER); |
| 25 | |||
| 26 | for (i = 0; i < COLOR_SIZE; i++, p++) { | ||
| 27 | page = virt_to_page(pte); | ||
| 28 | |||
| 29 | set_page_count(page, 1); | ||
| 30 | ClearPageCompound(page); | ||
| 31 | 25 | ||
| 26 | for (i = 0; i < COLOR_SIZE; i++) { | ||
| 32 | if (ADDR_COLOR(p) == color) | 27 | if (ADDR_COLOR(p) == color) |
| 33 | pte = p; | 28 | pte = p; |
| 34 | else | 29 | else |
| 35 | free_page(p); | 30 | free_page(p); |
| 31 | p += PTRS_PER_PTE; | ||
| 36 | } | 32 | } |
| 37 | clear_page(pte); | 33 | clear_page(pte); |
| 38 | } | 34 | } |
| @@ -49,20 +45,20 @@ int flush; | |||
| 49 | 45 | ||
| 50 | struct page* pte_alloc_one(struct mm_struct *mm, unsigned long address) | 46 | struct page* pte_alloc_one(struct mm_struct *mm, unsigned long address) |
| 51 | { | 47 | { |
| 52 | struct page *page, p; | 48 | struct page *page = NULL, *p; |
| 53 | int color = ADDR_COLOR(address); | 49 | int color = ADDR_COLOR(address); |
| 54 | 50 | ||
| 55 | p = alloc_pages(GFP_KERNEL | __GFP_REPEAT, PTE_ORDER); | 51 | p = alloc_pages(GFP_KERNEL | __GFP_REPEAT, PTE_ORDER); |
| 56 | 52 | ||
| 57 | if (likely(p)) { | 53 | if (likely(p)) { |
| 58 | for (i = 0; i < PAGE_ORDER; i++) { | 54 | split_page(p, COLOR_ORDER); |
| 59 | set_page_count(p, 1); | ||
| 60 | ClearPageCompound(p); | ||
| 61 | 55 | ||
| 62 | if (PADDR_COLOR(page_address(pg)) == color) | 56 | for (i = 0; i < PAGE_ORDER; i++) { |
| 57 | if (PADDR_COLOR(page_address(p)) == color) | ||
| 63 | page = p; | 58 | page = p; |
| 64 | else | 59 | else |
| 65 | free_page(p); | 60 | __free_page(p); |
| 61 | p++; | ||
| 66 | } | 62 | } |
| 67 | clear_highpage(page); | 63 | clear_highpage(page); |
| 68 | } | 64 | } |
