patch-1.3.74 linux/include/asm-alpha/pgtable.h

• Lines: 67
• Date: Thu Mar 14 16:33:27 1996
• Orig file: v1.3.73/linux/include/asm-alpha/pgtable.h
• Orig date: Mon Jan 8 14:10:28 1996

diff -u --recursive --new-file v1.3.73/linux/include/asm-alpha/pgtable.h linux/include/asm-alpha/pgtable.h
@@ -238,29 +238,16 @@
 
 extern inline int pte_none(pte_t pte)		{ return !pte_val(pte); }
 extern inline int pte_present(pte_t pte)	{ return pte_val(pte) & _PAGE_VALID; }
-extern inline int pte_inuse(pte_t *ptep)	{ return mem_map[MAP_NR(ptep)].reserved || mem_map[MAP_NR(ptep)].count != 1; }
 extern inline void pte_clear(pte_t *ptep)	{ pte_val(*ptep) = 0; }
-extern inline void pte_reuse(pte_t * ptep)
-{
-	if (!mem_map[MAP_NR(ptep)].reserved)
-		mem_map[MAP_NR(ptep)].count++;
-}
 
 extern inline int pmd_none(pmd_t pmd)		{ return !pmd_val(pmd); }
 extern inline int pmd_bad(pmd_t pmd)		{ return (pmd_val(pmd) & ~_PFN_MASK) != _PAGE_TABLE || pmd_page(pmd) > high_memory; }
 extern inline int pmd_present(pmd_t pmd)	{ return pmd_val(pmd) & _PAGE_VALID; }
-extern inline int pmd_inuse(pmd_t *pmdp)	{ return mem_map[MAP_NR(pmdp)].reserved || mem_map[MAP_NR(pmdp)].count != 1; }
 extern inline void pmd_clear(pmd_t * pmdp)	{ pmd_val(*pmdp) = 0; }
-extern inline void pmd_reuse(pmd_t * pmdp)
-{
-	if (!mem_map[MAP_NR(pmdp)].reserved)
-		mem_map[MAP_NR(pmdp)].count++;
-}
 
 extern inline int pgd_none(pgd_t pgd)		{ return !pgd_val(pgd); }
 extern inline int pgd_bad(pgd_t pgd)		{ return (pgd_val(pgd) & ~_PFN_MASK) != _PAGE_TABLE || pgd_page(pgd) > high_memory; }
 extern inline int pgd_present(pgd_t pgd)	{ return pgd_val(pgd) & _PAGE_VALID; }
-extern inline int pgd_inuse(pgd_t *pgdp)	{ return mem_map[MAP_NR(pgdp)].reserved; }
 extern inline void pgd_clear(pgd_t * pgdp)	{ pgd_val(*pgdp) = 0; }
 
 /*
@@ -328,11 +315,10 @@
 /*      
  * 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.
+ * if any.
  */
 extern inline void pte_free_kernel(pte_t * pte)
 {
-	mem_map[MAP_NR(pte)].reserved = 0;
 	free_page((unsigned long) pte);
 }
 
@@ -344,7 +330,6 @@
 		if (pmd_none(*pmd)) {
 			if (page) {
 				pmd_set(pmd, page);
-				mem_map[MAP_NR(page)].reserved = 1;
 				return page + address;
 			}
 			pmd_set(pmd, (pte_t *) BAD_PAGETABLE);
@@ -362,7 +347,6 @@
 
 extern inline void pmd_free_kernel(pmd_t * pmd)
 {
-	mem_map[MAP_NR(pmd)].reserved = 0;
 	free_page((unsigned long) pmd);
 }
 
@@ -374,7 +358,6 @@
 		if (pgd_none(*pgd)) {
 			if (page) {
 				pgd_set(pgd, page);
-				mem_map[MAP_NR(page)].reserved = 1;
 				return page + address;
 			}
 			pgd_set(pgd, BAD_PAGETABLE);