X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=mm%2Fmemory.c;h=4bf0b6d0eb2a675bbd1083099448d54979dff304;hb=cf03613e9662c28372b8c83538fb402df37c53f5;hp=b3c42f0f65c29188aafa5c8e25262a610b4a2441;hpb=0da7e01f5f37f441cccd7c8c0586e06db0981907;p=linux-2.6

diff --git a/mm/memory.c b/mm/memory.c
index b3c42f0f65..4bf0b6d0eb 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -259,9 +259,6 @@ void free_pgd_range(struct mmu_gather **tlb,
 			continue;
 		free_pud_range(*tlb, pgd, addr, next, floor, ceiling);
 	} while (pgd++, addr = next, addr != end);
-
-	if (!(*tlb)->fullmm)
-		flush_tlb_pgtables((*tlb)->mm, start, end);
 }
 
 void free_pgtables(struct mmu_gather **tlb, struct vm_area_struct *vma,
@@ -1039,7 +1036,7 @@ int get_user_pages(struct task_struct *tsk, struct mm_struct *mm,
 
 		if (is_vm_hugetlb_page(vma)) {
 			i = follow_hugetlb_page(mm, vma, pages, vmas,
-						&start, &len, i);
+						&start, &len, i, write);
 			continue;
 		}
 
@@ -1611,10 +1608,8 @@ static int do_wp_page(struct mm_struct *mm, struct vm_area_struct *vma,
 		flush_cache_page(vma, address, pte_pfn(orig_pte));
 		entry = pte_mkyoung(orig_pte);
 		entry = maybe_mkwrite(pte_mkdirty(entry), vma);
-		if (ptep_set_access_flags(vma, address, page_table, entry,1)) {
+		if (ptep_set_access_flags(vma, address, page_table, entry,1))
 			update_mmu_cache(vma, address, entry);
-			lazy_mmu_prot_update(entry);
-		}
 		ret |= VM_FAULT_WRITE;
 		goto unlock;
 	}
@@ -1650,7 +1645,6 @@ gotten:
 		flush_cache_page(vma, address, pte_pfn(orig_pte));
 		entry = mk_pte(new_page, vma->vm_page_prot);
 		entry = maybe_mkwrite(pte_mkdirty(entry), vma);
-		lazy_mmu_prot_update(entry);
 		/*
 		 * Clear the pte entry and flush it first, before updating the
 		 * pte with the new entry. This will avoid a race condition
@@ -2090,9 +2084,9 @@ static int do_swap_page(struct mm_struct *mm, struct vm_area_struct *vma,
 		count_vm_event(PGMAJFAULT);
 	}
 
-	delayacct_clear_flag(DELAYACCT_PF_SWAPIN);
 	mark_page_accessed(page);
 	lock_page(page);
+	delayacct_clear_flag(DELAYACCT_PF_SWAPIN);
 
 	/*
 	 * Back out if somebody else already faulted in this pte.
@@ -2180,7 +2174,6 @@ static int do_anonymous_page(struct mm_struct *mm, struct vm_area_struct *vma,
 
 	/* No need to invalidate - it was non-present before */
 	update_mmu_cache(vma, address, entry);
-	lazy_mmu_prot_update(entry);
 unlock:
 	pte_unmap_unlock(page_table, ptl);
 	return 0;
@@ -2333,7 +2326,6 @@ static int __do_fault(struct mm_struct *mm, struct vm_area_struct *vma,
 
 		/* no need to invalidate: a not-present page won't be cached */
 		update_mmu_cache(vma, address, entry);
-		lazy_mmu_prot_update(entry);
 	} else {
 		if (anon)
 			page_cache_release(page);
@@ -2505,7 +2497,6 @@ static inline int handle_pte_fault(struct mm_struct *mm,
 	entry = pte_mkyoung(entry);
 	if (ptep_set_access_flags(vma, address, pte, entry, write_access)) {
 		update_mmu_cache(vma, address, entry);
-		lazy_mmu_prot_update(entry);
 	} else {
 		/*
 		 * This is needed only for protection faults but the arch code
@@ -2722,7 +2713,7 @@ int access_process_vm(struct task_struct *tsk, unsigned long addr, void *buf, in
 		return 0;
 
 	down_read(&mm->mmap_sem);
-	/* ignore errors, just check how much was sucessfully transfered */
+	/* ignore errors, just check how much was successfully transferred */
 	while (len) {
 		int bytes, ret, offset;
 		void *maddr;
@@ -2757,4 +2748,3 @@ int access_process_vm(struct task_struct *tsk, unsigned long addr, void *buf, in
 
 	return buf - old_buf;
 }
-EXPORT_SYMBOL_GPL(access_process_vm);