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-rw-r--r--mm/memory.c6
-rw-r--r--mm/vmscan.c2
2 files changed, 5 insertions, 3 deletions
diff --git a/mm/memory.c b/mm/memory.c
index baa999e..2032ad2 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -1665,9 +1665,10 @@ int remap_pfn_range(struct vm_area_struct *vma, unsigned long addr,
* behaviour that some programs depend on. We mark the "original"
* un-COW'ed pages by matching them up with "vma->vm_pgoff".
*/
- if (addr == vma->vm_start && end == vma->vm_end)
+ if (addr == vma->vm_start && end == vma->vm_end) {
vma->vm_pgoff = pfn;
- else if (is_cow_mapping(vma->vm_flags))
+ vma->vm_flags |= VM_PFN_AT_MMAP;
+ } else if (is_cow_mapping(vma->vm_flags))
return -EINVAL;
vma->vm_flags |= VM_IO | VM_RESERVED | VM_PFNMAP;
@@ -1679,6 +1680,7 @@ int remap_pfn_range(struct vm_area_struct *vma, unsigned long addr,
* needed from higher level routine calling unmap_vmas
*/
vma->vm_flags &= ~(VM_IO | VM_RESERVED | VM_PFNMAP);
+ vma->vm_flags &= ~VM_PFN_AT_MMAP;
return -EINVAL;
}
diff --git a/mm/vmscan.c b/mm/vmscan.c
index 6177e3b..e895171 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -1469,7 +1469,7 @@ static void shrink_zone(int priority, struct zone *zone,
int file = is_file_lru(l);
int scan;
- scan = zone_page_state(zone, NR_LRU_BASE + l);
+ scan = zone_nr_pages(zone, sc, l);
if (priority) {
scan >>= priority;
scan = (scan * percent[file]) / 100;
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