From: Nobuhiko Yoshida <n-yoshida@pst.fujitsu.com>
To: linux-kernel@vger.kernel.org, lhms-devel@lists.sourceforge.net
Subject: [PATCH] ia64 memory hotplug for hugetlbpages [3/3]
Date: Tue, 27 Jul 2004 10:05:31 +0900 [thread overview]
Message-ID: <JT200407271005318.5179656@pst.fujitsu.com> (raw)
diff -dupr linux-2.6.7/arch/ia64/mm/hugetlbpage.c linux-2.6.7-REMAP/arch/ia64/mm/hugetlbpage.c
--- linux-2.6.7/arch/ia64/mm/hugetlbpage.c 2004-07-09 16:37:31.000000000 +0900
+++ linux-2.6.7-REMAP/arch/ia64/mm/hugetlbpage.c 2004-07-09 16:49:34.000000000 +0900
@@ -372,6 +372,15 @@ again:
goto again;
}
}
+
+ if (page->mapping == NULL) {
+ BUG_ON(! PageAgain(page));
+ /* This page will go back to freelists[] */
+ put_page(page); /* XXX */
+ unlock_page(page);
+ goto again;
+ }
+
if (pte_none(*pte)) {
set_huge_pte(mm, vma, page, pte, vma->vm_flags & VM_WRITE);
page_add_file_rmap(page);
reply other threads:[~2004-07-27 1:10 UTC|newest]
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