--On Thursday, February 27, 2003 13:44:03 -0800 Andrew Morton
<akpm@digeo.com> wrote:
>> ...
>> Mapped: 4294923652 kB
>
> Well that's gotta hurt. This metric is used in making writeback
> decisions. Probably the objrmap patch.
Oops. You're right. Here's a patch to fix it.
Dave McCracken
======================================================================
Dave McCracken IBM Linux Base Kernel Team 1-512-838-3059
dmccr@us.ibm.com T/L 678-3059
--==========1923109384==========
Content-Type: text/plain; charset=us-ascii; name="objmapped-2.5.63-1.diff"
Content-Transfer-Encoding: 7bit
Content-Disposition: attachment; filename="objmapped-2.5.63-1.diff"; size=337
--- 2.5.63-objrmap/mm/rmap.c 2003-02-27 15:58:34.000000000 -0600
+++ 2.5.63-objfix/mm/rmap.c 2003-02-27 15:56:56.000000000 -0600
@@ -248,6 +248,8 @@
BUG();
if (PageSwapCache(page))
BUG();
+ if (atomic_read(&page->pte.mapcount) == 0)
+ inc_page_state(nr_mapped);
atomic_inc(&page->pte.mapcount);
return pte_chain;
}
--==========1923109384==========--
-
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