From: Ben LaHaise <bcrl@redhat.com>
To: Jack Steiner <steiner@sgi.com>
Cc: linux-mm@kvack.org, alan@redhat.com
Subject: Re: Possible bug in tlb shootdown patch (IA64)
Date: Fri, 25 May 2001 15:11:17 -0400 (EDT) [thread overview]
Message-ID: <Pine.LNX.4.33.0105251506570.20484-100000@toomuch.toronto.redhat.com> (raw)
In-Reply-To: <200105251729.MAA46671@fsgi056.americas.sgi.com>
On Fri, 25 May 2001, Jack Steiner wrote:
> I posted this to linux-mm@kvack.org but failed to
> send you a copy.
>
> ----
>
> We hit a problem that looks like it is related to the tlb
> shootdown patch.
Thanks for the analysis. I think the following patch should help...
-ben
diff -urN v2.4.4-ac17/mm/memory.c wrk/mm/memory.c
--- v2.4.4-ac17/mm/memory.c Thu May 24 19:45:18 2001
+++ wrk/mm/memory.c Fri May 25 15:10:16 2001
@@ -285,9 +285,9 @@
return 0;
}
ptep = pte_offset(pmd, address);
- address &= ~PMD_MASK;
- if (address + size > PMD_SIZE)
- size = PMD_SIZE - address;
+ offset = address & ~PMD_MASK;
+ if (offset + size > PMD_SIZE)
+ size = PMD_SIZE - offset;
size &= PAGE_MASK;
for (offset=0; offset < size; ptep++, offset += PAGE_SIZE) {
pte_t pte = *ptep;
--
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next parent reply other threads:[~2001-05-25 19:11 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <200105251729.MAA46671@fsgi056.americas.sgi.com>
2001-05-25 19:11 ` Ben LaHaise [this message]
2001-05-29 17:48 ` Jack Steiner
2001-05-25 16:40 Jack Steiner
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