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Red Hat Bugzilla – Attachment 312348 Details for
Bug 455434
x86: fix PAE pmd_bad bootup warning
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[patch]
Patch that is needed for RHEL5-U3.
rhel5u3-follow_page.patch (text/plain), 606 bytes, created by
Larry Woodman
on 2008-07-22 14:28:14 UTC
(
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Description:
Patch that is needed for RHEL5-U3.
Filename:
MIME Type:
Creator:
Larry Woodman
Created:
2008-07-22 14:28:14 UTC
Size:
606 bytes
patch
obsolete
>--- linux-2.6.18.noarch/mm/memory.c.orig 2008-07-22 09:58:19.000000000 -0400 >+++ linux-2.6.18.noarch/mm/memory.c 2008-07-22 10:00:42.000000000 -0400 >@@ -934,7 +934,7 @@ struct page *follow_page(struct vm_area_ > goto no_page_table; > > pmd = pmd_offset(pud, address); >- if (pmd_none(*pmd) || unlikely(pmd_bad(*pmd))) >+ if (pmd_none(*pmd)) > goto no_page_table; > > if (pmd_huge(*pmd)) { >@@ -943,6 +943,9 @@ struct page *follow_page(struct vm_area_ > goto out; > } > >+ if (unlikely(pmd_bad(*pmd))) >+ goto no_page_table; >+ > ptep = pte_offset_map_lock(mm, pmd, address, &ptl); > if (!ptep) > goto out;
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