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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 <[EMAIL PROTECTED]>

Index: linux-2.6/mm/rmap.c
===================================================================
--- linux-2.6.orig/mm/rmap.c
+++ linux-2.6/mm/rmap.c
@@ -532,6 +532,8 @@ static int try_to_unmap_one(struct page 
         * 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)) {

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