X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=mm%2Fmemory.c;h=1ce2e2a734fc2b0812845279a69cb87f48588d3e;hb=2914941e3178d84a216fc4eb85292dfef3b6d628;hp=95d0cce63583f08a01620d58be464eceff293d5b;hpb=e399eb56a6110e13f97e644658648602e2b08de7;p=platform%2Fadaptation%2Frenesas_rcar%2Frenesas_kernel.git

diff --git a/mm/memory.c b/mm/memory.c
index 95d0cce..1ce2e2a 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -82,7 +82,6 @@ EXPORT_SYMBOL(max_mapnr);
 EXPORT_SYMBOL(mem_map);
 #endif
 
-unsigned long num_physpages;
 /*
  * A number of key systems in x86 including ioremap() rely on the assumption
  * that high_memory defines the upper bound on direct map memory, then end
@@ -92,7 +91,6 @@ unsigned long num_physpages;
  */
 void * high_memory;
 
-EXPORT_SYMBOL(num_physpages);
 EXPORT_SYMBOL(high_memory);
 
 /*
@@ -1101,6 +1099,7 @@ static unsigned long zap_pte_range(struct mmu_gather *tlb,
 	spinlock_t *ptl;
 	pte_t *start_pte;
 	pte_t *pte;
+	unsigned long range_start = addr;
 
 again:
 	init_rss_vec(rss);
@@ -1151,7 +1150,7 @@ again:
 				if (pte_dirty(ptent))
 					set_page_dirty(page);
 				if (pte_young(ptent) &&
-				    likely(!VM_SequentialReadHint(vma)))
+				    likely(!(vma->vm_flags & VM_SEQ_READ)))
 					mark_page_accessed(page);
 				rss[MM_FILEPAGES]--;
 			}
@@ -1206,12 +1205,14 @@ again:
 		force_flush = 0;
 
 #ifdef HAVE_GENERIC_MMU_GATHER
-		tlb->start = addr;
-		tlb->end = end;
+		tlb->start = range_start;
+		tlb->end = addr;
 #endif
 		tlb_flush_mmu(tlb);
-		if (addr != end)
+		if (addr != end) {
+			range_start = addr;
 			goto again;
+		}
 	}
 
 	return addr;
@@ -2904,7 +2905,7 @@ static inline void unmap_mapping_range_tree(struct rb_root *root,
 			details->first_index, details->last_index) {
 
 		vba = vma->vm_pgoff;
-		vea = vba + ((vma->vm_end - vma->vm_start) >> PAGE_SHIFT) - 1;
+		vea = vba + vma_pages(vma) - 1;
 		/* Assume for now that PAGE_CACHE_SHIFT == PAGE_SHIFT */
 		zba = details->first_index;
 		if (zba < vba)