patch-2.3.36 linux/include/asm-sparc/pgalloc.h

• Lines: 158
• Date: Mon Jan 3 12:01:31 2000
• Orig file: v2.3.35/linux/include/asm-sparc/pgalloc.h
• Orig date: Wed Dec 31 16:00:00 1969

diff -u --recursive --new-file v2.3.35/linux/include/asm-sparc/pgalloc.h linux/include/asm-sparc/pgalloc.h
@@ -0,0 +1,157 @@
+/* $Id: pgalloc.h,v 1.1 1999/12/28 04:13:35 anton Exp $ */
+#ifndef _SPARC_PGALLOC_H
+#define _SPARC_PGALLOC_H
+
+#include <linux/kernel.h>
+#include <linux/sched.h>
+
+#include <asm/page.h>
+#include <asm/btfixup.h>
+
+/* Fine grained cache/tlb flushing. */
+#ifdef __SMP__
+BTFIXUPDEF_CALL(void, local_flush_cache_all, void)
+BTFIXUPDEF_CALL(void, local_flush_cache_mm, struct mm_struct *)
+BTFIXUPDEF_CALL(void, local_flush_cache_range, struct mm_struct *, unsigned long, unsigned long)
+BTFIXUPDEF_CALL(void, local_flush_cache_page, struct vm_area_struct *, unsigned long)
+
+#define local_flush_cache_all() BTFIXUP_CALL(local_flush_cache_all)()
+#define local_flush_cache_mm(mm) BTFIXUP_CALL(local_flush_cache_mm)(mm)
+#define local_flush_cache_range(mm,start,end) BTFIXUP_CALL(local_flush_cache_range)(mm,start,end)
+#define local_flush_cache_page(vma,addr) BTFIXUP_CALL(local_flush_cache_page)(vma,addr)
+
+BTFIXUPDEF_CALL(void, local_flush_tlb_all, void)
+BTFIXUPDEF_CALL(void, local_flush_tlb_mm, struct mm_struct *)
+BTFIXUPDEF_CALL(void, local_flush_tlb_range, struct mm_struct *, unsigned long, unsigned long)
+BTFIXUPDEF_CALL(void, local_flush_tlb_page, struct vm_area_struct *, unsigned long)
+
+#define local_flush_tlb_all() BTFIXUP_CALL(local_flush_tlb_all)()
+#define local_flush_tlb_mm(mm) BTFIXUP_CALL(local_flush_tlb_mm)(mm)
+#define local_flush_tlb_range(mm,start,end) BTFIXUP_CALL(local_flush_tlb_range)(mm,start,end)
+#define local_flush_tlb_page(vma,addr) BTFIXUP_CALL(local_flush_tlb_page)(vma,addr)
+
+BTFIXUPDEF_CALL(void, local_flush_page_to_ram, struct page *)
+BTFIXUPDEF_CALL(void, local_flush_sig_insns, struct mm_struct *, unsigned long)
+
+#define local_flush_page_to_ram(page) BTFIXUP_CALL(local_flush_page_to_ram)(page)
+#define local_flush_sig_insns(mm,insn_addr) BTFIXUP_CALL(local_flush_sig_insns)(mm,insn_addr)
+
+extern void smp_flush_cache_all(void);
+extern void smp_flush_cache_mm(struct mm_struct *mm);
+extern void smp_flush_cache_range(struct mm_struct *mm,
+				  unsigned long start,
+				  unsigned long end);
+extern void smp_flush_cache_page(struct vm_area_struct *vma, unsigned long page);
+
+extern void smp_flush_tlb_all(void);
+extern void smp_flush_tlb_mm(struct mm_struct *mm);
+extern void smp_flush_tlb_range(struct mm_struct *mm,
+				  unsigned long start,
+				  unsigned long end);
+extern void smp_flush_tlb_page(struct vm_area_struct *mm, unsigned long page);
+extern void smp_flush_page_to_ram(struct page *page);
+extern void smp_flush_sig_insns(struct mm_struct *mm, unsigned long insn_addr);
+#endif
+
+BTFIXUPDEF_CALL(void, flush_cache_all, void)
+BTFIXUPDEF_CALL(void, flush_cache_mm, struct mm_struct *)
+BTFIXUPDEF_CALL(void, flush_cache_range, struct mm_struct *, unsigned long, unsigned long)
+BTFIXUPDEF_CALL(void, flush_cache_page, struct vm_area_struct *, unsigned long)
+
+#define flush_cache_all() BTFIXUP_CALL(flush_cache_all)()
+#define flush_cache_mm(mm) BTFIXUP_CALL(flush_cache_mm)(mm)
+#define flush_cache_range(mm,start,end) BTFIXUP_CALL(flush_cache_range)(mm,start,end)
+#define flush_cache_page(vma,addr) BTFIXUP_CALL(flush_cache_page)(vma,addr)
+#define flush_icache_range(start, end)		do { } while (0)
+
+BTFIXUPDEF_CALL(void, flush_tlb_all, void)
+BTFIXUPDEF_CALL(void, flush_tlb_mm, struct mm_struct *)
+BTFIXUPDEF_CALL(void, flush_tlb_range, struct mm_struct *, unsigned long, unsigned long)
+BTFIXUPDEF_CALL(void, flush_tlb_page, struct vm_area_struct *, unsigned long)
+
+#define flush_tlb_all() BTFIXUP_CALL(flush_tlb_all)()
+#define flush_tlb_mm(mm) BTFIXUP_CALL(flush_tlb_mm)(mm)
+#define flush_tlb_range(mm,start,end) BTFIXUP_CALL(flush_tlb_range)(mm,start,end)
+#define flush_tlb_page(vma,addr) BTFIXUP_CALL(flush_tlb_page)(vma,addr)
+
+BTFIXUPDEF_CALL(void, flush_page_to_ram, struct page *)
+BTFIXUPDEF_CALL(void, flush_sig_insns, struct mm_struct *, unsigned long)
+
+#define flush_page_to_ram(page) BTFIXUP_CALL(flush_page_to_ram)(page)
+#define flush_sig_insns(mm,insn_addr) BTFIXUP_CALL(flush_sig_insns)(mm,insn_addr)
+
+extern struct pgtable_cache_struct {
+	unsigned long *pgd_cache;
+	unsigned long *pte_cache;
+	unsigned long pgtable_cache_sz;
+	unsigned long pgd_cache_sz;
+	spinlock_t pgd_spinlock;
+	spinlock_t pte_spinlock;
+} pgt_quicklists;
+#define pgd_quicklist           (pgt_quicklists.pgd_cache)
+#define pmd_quicklist           ((unsigned long *)0)
+#define pte_quicklist           (pgt_quicklists.pte_cache)
+#define pgd_spinlock		(pgt_quicklists.pgd_spinlock)
+#define pte_spinlock		(pgt_quicklists.pte_spinlock)
+#define pgtable_cache_size      (pgt_quicklists.pgtable_cache_sz)
+#define pgd_cache_size		(pgt_quicklists.pgd_cache_sz)
+
+BTFIXUPDEF_CALL(pte_t *, get_pte_fast, void)
+BTFIXUPDEF_CALL(pgd_t *, get_pgd_fast, void)
+BTFIXUPDEF_CALL(void,    free_pte_slow, pte_t *)
+BTFIXUPDEF_CALL(void,    free_pgd_slow, pgd_t *)
+BTFIXUPDEF_CALL(int,	 do_check_pgt_cache, int, int)
+
+#define get_pte_fast() BTFIXUP_CALL(get_pte_fast)()
+extern __inline__ pmd_t *get_pmd_fast(void)
+{
+	return (pmd_t *)0;
+}
+#define get_pgd_fast() BTFIXUP_CALL(get_pgd_fast)()
+#define free_pte_slow(pte) BTFIXUP_CALL(free_pte_slow)(pte)
+extern __inline__ void free_pmd_slow(pmd_t *pmd)
+{
+}
+#define free_pgd_slow(pgd) BTFIXUP_CALL(free_pgd_slow)(pgd)
+#define do_check_pgt_cache(low,high) BTFIXUP_CALL(do_check_pgt_cache)(low,high)
+
+/*
+ * Allocate and free page tables. The xxx_kernel() versions are
+ * used to allocate a kernel page table - this turns on ASN bits
+ * if any, and marks the page tables reserved.
+ */
+BTFIXUPDEF_CALL(void,    pte_free_kernel, pte_t *)
+BTFIXUPDEF_CALL(pte_t *, pte_alloc_kernel, pmd_t *, unsigned long)
+
+#define pte_free_kernel(pte) BTFIXUP_CALL(pte_free_kernel)(pte)
+#define pte_alloc_kernel(pmd,addr) BTFIXUP_CALL(pte_alloc_kernel)(pmd,addr)
+
+BTFIXUPDEF_CALL(void,    pmd_free_kernel, pmd_t *)
+BTFIXUPDEF_CALL(pmd_t *, pmd_alloc_kernel, pgd_t *, unsigned long)
+
+#define pmd_free_kernel(pmd) BTFIXUP_CALL(pmd_free_kernel)(pmd)
+#define pmd_alloc_kernel(pgd,addr) BTFIXUP_CALL(pmd_alloc_kernel)(pgd,addr)
+
+BTFIXUPDEF_CALL(void,    pte_free, pte_t *)
+BTFIXUPDEF_CALL(pte_t *, pte_alloc, pmd_t *, unsigned long)
+
+#define pte_free(pte) BTFIXUP_CALL(pte_free)(pte)
+#define pte_alloc(pmd,addr) BTFIXUP_CALL(pte_alloc)(pmd,addr)
+
+BTFIXUPDEF_CALL(void,    pmd_free, pmd_t *)
+BTFIXUPDEF_CALL(pmd_t *, pmd_alloc, pgd_t *, unsigned long)
+
+#define pmd_free(pmd) BTFIXUP_CALL(pmd_free)(pmd)
+#define pmd_alloc(pgd,addr) BTFIXUP_CALL(pmd_alloc)(pgd,addr)
+
+BTFIXUPDEF_CALL(void,    pgd_free, pgd_t *)
+BTFIXUPDEF_CALL(pgd_t *, pgd_alloc, void)
+
+#define pgd_free(pgd) BTFIXUP_CALL(pgd_free)(pgd)
+#define pgd_alloc() BTFIXUP_CALL(pgd_alloc)()
+
+BTFIXUPDEF_CALL(void, set_pgdir, unsigned long, pgd_t)
+
+#define set_pgdir(address,entry) BTFIXUP_CALL(set_pgdir)(address,entry)
+
+#endif /* _SPARC64_PGALLOC_H */