sched: RT-balance, avoid overloading

[pandora-kernel.git] / mm / memory.c

diff --git a/mm/memory.c b/mm/memory.c
index 4bf0b6d..4b0144b 100644 (file)
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -392,6 +392,7 @@ struct page *vm_normal_page(struct vm_area_struct *vma, unsigned long addr, pte_
                        return NULL;
        }
 
+#ifdef CONFIG_DEBUG_VM
        /*
         * Add some anal sanity checks for now. Eventually,
         * we should just do "return pfn_to_page(pfn)", but
@@ -402,6 +403,7 @@ struct page *vm_normal_page(struct vm_area_struct *vma, unsigned long addr, pte_
                print_bad_pte(vma, pte, addr);
                return NULL;
        }
+#endif
 
        /*
         * NOTE! We still have PageReserved() pages in the page 
@@ -1668,6 +1670,9 @@ gotten:
 unlock:
        pte_unmap_unlock(page_table, ptl);
        if (dirty_page) {
+               if (vma->vm_file)
+                       file_update_time(vma->vm_file);
+
                /*
                 * Yes, Virginia, this is actually required to prevent a race
                 * with clear_page_dirty_for_io() from clearing the page dirty
@@ -2341,6 +2346,9 @@ out_unlocked:
        if (anon)
                page_cache_release(vmf.page);
        else if (dirty_page) {
+               if (vma->vm_file)
+                       file_update_time(vma->vm_file);
+
                set_page_dirty_balance(dirty_page, page_mkwrite);
                put_page(dirty_page);
        }