From c3dce2d89c269d5373a120d4a22fc2426ec992b0 Mon Sep 17 00:00:00 2001 From: Nick Piggin Date: Sat, 3 Sep 2005 15:54:46 -0700 Subject: [PATCH] mm: comment rmap Just be clear that VM_RESERVED pages here are a bug, and the test is not there because they are expected. Signed-off-by: Nick Piggin Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- mm/rmap.c | 2 ++ 1 file changed, 2 insertions(+) (limited to 'mm') diff --git a/mm/rmap.c b/mm/rmap.c index 28c6cf96d3c..f5a6966b7eb 100644 --- a/mm/rmap.c +++ b/mm/rmap.c @@ -527,6 +527,8 @@ static int try_to_unmap_one(struct page *page, struct vm_area_struct *vma) * If the page is mlock()d, we cannot swap it out. * If it's recently referenced (perhaps page_referenced * skipped over this mm) then we should reactivate it. + * + * Pages belonging to VM_RESERVED regions should not happen here. */ if ((vma->vm_flags & (VM_LOCKED|VM_RESERVED)) || ptep_clear_flush_young(vma, address, pte)) { -- cgit v1.2.3