Messages in this thread Patch in this message | | | Date | Fri, 28 Feb 2003 09:56:34 -0600 | From | Dave McCracken <> | Subject | Re: Rising io_load results Re: 2.5.63-mm1 |
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--On Friday, February 28, 2003 12:48:06 +0000 Hugh Dickins <hugh@veritas.com> wrote:
> On Thu, 27 Feb 2003, Andrew Morton wrote: >> >> No, it is still wrong. Mapped cannot exceed MemTotal. > > It needs this in addition to Dave's patch from yesterday: > > --- 2.5.63-objfix-1/mm/rmap.c Thu Feb 27 23:37:28 2003 > +++ 2.5.63-objfix-2/mm/rmap.c Fri Feb 28 12:33:58 2003 > @@ -349,7 +349,8 @@ > BUG(); > if (atomic_read(&page->pte.mapcount) == 0) > BUG(); > - atomic_dec(&page->pte.mapcount); > + if (atomic_dec_and_test(&page->pte.mapcount)) > + dec_page_state(nr_mapped); > return; > }
D'oh. I should have seen that one. Thanks.
Dave McCracken
====================================================================== Dave McCracken IBM Linux Base Kernel Team 1-512-838-3059 dmccr@us.ibm.com T/L 678-3059
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