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authorDavid Woodhouse <David.Woodhouse@intel.com>2008-07-25 10:40:14 -0400
committerDavid Woodhouse <David.Woodhouse@intel.com>2008-07-25 10:40:14 -0400
commitff877ea80efa2015b6263766f78ee42c2a1b32f9 (patch)
tree85205005c611ab774702148558321c6fb92f1ccd /include/asm-sparc/pgalloc_64.h
parent30821fee4f0cb3e6d241d9f7ddc37742212e3eb7 (diff)
parentd37e6bf68fc1eb34a4ad21d9ae8890ed37ea80e7 (diff)
Merge branch 'linux-next' of git://git.infradead.org/~dedekind/ubi-2.6
Diffstat (limited to 'include/asm-sparc/pgalloc_64.h')
-rw-r--r--include/asm-sparc/pgalloc_64.h81
1 files changed, 81 insertions, 0 deletions
diff --git a/include/asm-sparc/pgalloc_64.h b/include/asm-sparc/pgalloc_64.h
new file mode 100644
index 00000000000..5bdfa2c6e40
--- /dev/null
+++ b/include/asm-sparc/pgalloc_64.h
@@ -0,0 +1,81 @@
+#ifndef _SPARC64_PGALLOC_H
+#define _SPARC64_PGALLOC_H
+
+#include <linux/kernel.h>
+#include <linux/sched.h>
+#include <linux/mm.h>
+#include <linux/slab.h>
+#include <linux/quicklist.h>
+
+#include <asm/spitfire.h>
+#include <asm/cpudata.h>
+#include <asm/cacheflush.h>
+#include <asm/page.h>
+
+/* Page table allocation/freeing. */
+
+static inline pgd_t *pgd_alloc(struct mm_struct *mm)
+{
+ return quicklist_alloc(0, GFP_KERNEL, NULL);
+}
+
+static inline void pgd_free(struct mm_struct *mm, pgd_t *pgd)
+{
+ quicklist_free(0, NULL, pgd);
+}
+
+#define pud_populate(MM, PUD, PMD) pud_set(PUD, PMD)
+
+static inline pmd_t *pmd_alloc_one(struct mm_struct *mm, unsigned long addr)
+{
+ return quicklist_alloc(0, GFP_KERNEL, NULL);
+}
+
+static inline void pmd_free(struct mm_struct *mm, pmd_t *pmd)
+{
+ quicklist_free(0, NULL, pmd);
+}
+
+static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm,
+ unsigned long address)
+{
+ return quicklist_alloc(0, GFP_KERNEL, NULL);
+}
+
+static inline pgtable_t pte_alloc_one(struct mm_struct *mm,
+ unsigned long address)
+{
+ struct page *page;
+ void *pg;
+
+ pg = quicklist_alloc(0, GFP_KERNEL, NULL);
+ if (!pg)
+ return NULL;
+ page = virt_to_page(pg);
+ pgtable_page_ctor(page);
+ return page;
+}
+
+static inline void pte_free_kernel(struct mm_struct *mm, pte_t *pte)
+{
+ quicklist_free(0, NULL, pte);
+}
+
+static inline void pte_free(struct mm_struct *mm, pgtable_t ptepage)
+{
+ pgtable_page_dtor(ptepage);
+ quicklist_free_page(0, NULL, ptepage);
+}
+
+
+#define pmd_populate_kernel(MM, PMD, PTE) pmd_set(PMD, PTE)
+#define pmd_populate(MM,PMD,PTE_PAGE) \
+ pmd_populate_kernel(MM,PMD,page_address(PTE_PAGE))
+#define pmd_pgtable(pmd) pmd_page(pmd)
+
+static inline void check_pgt_cache(void)
+{
+ quicklist_trim(0, NULL, 25, 16);
+}
+
+#endif /* _SPARC64_PGALLOC_H */