patch-2.4.7 linux/arch/sparc/mm/generic.c

• Lines: 57
• Date: Thu Jul 19 18:11:13 2001
• Orig file: v2.4.6/linux/arch/sparc/mm/generic.c
• Orig date: Thu Apr 12 12:10:25 2001

diff -u --recursive --new-file v2.4.6/linux/arch/sparc/mm/generic.c linux/arch/sparc/mm/generic.c
@@ -1,4 +1,4 @@
-/* $Id: generic.c,v 1.12 2001/04/09 21:40:46 davem Exp $
+/* $Id: generic.c,v 1.13 2001/07/17 16:17:33 anton Exp $
  * generic.c: Generic Sparc mm routines that are not dependent upon
  *            MMU type but are Sparc specific.
  *
@@ -8,6 +8,7 @@
 #include <linux/kernel.h>
 #include <linux/mm.h>
 #include <linux/swap.h>
+#include <linux/pagemap.h>
 
 #include <asm/pgalloc.h>
 #include <asm/pgtable.h>
@@ -64,12 +65,10 @@
 		end = PGDIR_SIZE;
 	offset -= address;
 	do {
-		pte_t * pte = pte_alloc(pmd, address);
+		pte_t * pte = pte_alloc(current->mm, pmd, address);
 		if (!pte)
 			return -ENOMEM;
-		spin_lock(&current->mm->page_table_lock);
 		io_remap_pte_range(pte, address, end - address, address + offset, prot, space);
-		spin_unlock(&current->mm->page_table_lock);
 		address = (address + PMD_SIZE) & PMD_MASK;
 		pmd++;
 	} while (address < end);
@@ -82,13 +81,16 @@
 	pgd_t * dir;
 	unsigned long beg = from;
 	unsigned long end = from + size;
+	struct mm_struct *mm = current->mm;
 
 	prot = __pgprot(pg_iobits);
 	offset -= from;
-	dir = pgd_offset(current->mm, from);
-	flush_cache_range(current->mm, beg, end);
+	dir = pgd_offset(mm, from);
+	flush_cache_range(mm, beg, end);
+
+	spin_lock(&mm->page_table_lock);
 	while (from < end) {
-		pmd_t *pmd = pmd_alloc(dir, from);
+		pmd_t *pmd = pmd_alloc(current->mm, dir, from);
 		error = -ENOMEM;
 		if (!pmd)
 			break;
@@ -98,6 +100,8 @@
 		from = (from + PGDIR_SIZE) & PGDIR_MASK;
 		dir++;
 	}
+	spin_unlock(&mm->page_table_lock);
+
 	flush_tlb_range(current->mm, beg, end);
 	return error;
 }