patch-2.4.3 linux/include/asm-i386/pgalloc-3level.h

• Lines: 69
• Date: Wed Dec 31 16:00:00 1969
• Orig file: v2.4.2/linux/include/asm-i386/pgalloc-3level.h
• Orig date: Fri Dec 3 11:12:23 1999

diff -u --recursive --new-file v2.4.2/linux/include/asm-i386/pgalloc-3level.h linux/include/asm-i386/pgalloc-3level.h
@@ -1,68 +0,0 @@
-#ifndef _I386_PGALLOC_3LEVEL_H
-#define _I386_PGALLOC_3LEVEL_H
-
-/*
- * Intel Physical Address Extension (PAE) Mode - three-level page
- * tables on PPro+ CPUs. Page-table allocation routines.
- *
- * Copyright (C) 1999 Ingo Molnar <mingo@redhat.com>
- */
-
-extern __inline__ pmd_t *get_pmd_slow(void)
-{
-	pmd_t *ret = (pmd_t *)__get_free_page(GFP_KERNEL);
-
-	if (ret)
-		memset(ret, 0, PAGE_SIZE);
-	return ret;
-}
-
-extern __inline__ pmd_t *get_pmd_fast(void)
-{
-	unsigned long *ret;
-
-	if ((ret = pmd_quicklist) != NULL) {
-		pmd_quicklist = (unsigned long *)(*ret);
-		ret[0] = 0;
-		pgtable_cache_size--;
-	} else
-		ret = (unsigned long *)get_pmd_slow();
-	return (pmd_t *)ret;
-}
-
-extern __inline__ void free_pmd_fast(pmd_t *pmd)
-{
-	*(unsigned long *)pmd = (unsigned long) pmd_quicklist;
-	pmd_quicklist = (unsigned long *) pmd;
-	pgtable_cache_size++;
-}
-
-extern __inline__ void free_pmd_slow(pmd_t *pmd)
-{
-	free_page((unsigned long)pmd);
-}
-
-extern inline pmd_t * pmd_alloc(pgd_t *pgd, unsigned long address)
-{
-	if (!pgd)
-		BUG();
-	address = (address >> PMD_SHIFT) & (PTRS_PER_PMD - 1);
-	if (pgd_none(*pgd)) {
-		pmd_t *page = get_pmd_fast();
-
-		if (!page)
-			page = get_pmd_slow();
-		if (page) {
-			if (pgd_none(*pgd)) {
-				set_pgd(pgd, __pgd(1 + __pa(page)));
-				__flush_tlb();
-				return page + address;
-			} else
-				free_pmd_fast(page);
-		} else
-			return NULL;
-	}
-	return (pmd_t *)pgd_page(*pgd) + address;
-}
-
-#endif /* _I386_PGALLOC_3LEVEL_H */