On Fri, Feb 04, 2005 at 02:06:05PM -0600, Mr. Berkley Shands wrote:
> Sorry, but I still crash. This time it hung the kernel so bad I had to
> powerfail to restart.
Well, that fix is needed anyway.
On Fri, Feb 04, 2005 at 02:06:05PM -0600, Mr. Berkley Shands wrote:
> Feb 4 13:43:19 eclipse kernel: RIP: 0010:[<ffffffff8011e3cb>]
> <ffffffff8011e3cb>{unmap_hugepage_range+75}
Could you try this?
-- wli
Index: mm2-2.6.11-rc2/arch/i386/mm/hugetlbpage.c
===================================================================
--- mm2-2.6.11-rc2.orig/arch/i386/mm/hugetlbpage.c 2005-01-29
01:13:39.000000000 -0800
+++ mm2-2.6.11-rc2/arch/i386/mm/hugetlbpage.c 2005-02-04 12:05:12.000000000
-0800
@@ -209,14 +209,17 @@
{
struct mm_struct *mm = vma->vm_mm;
unsigned long address;
- pte_t pte;
+ pte_t pte, *ptep;
struct page *page;
BUG_ON(start & (HPAGE_SIZE - 1));
BUG_ON(end & (HPAGE_SIZE - 1));
for (address = start; address < end; address += HPAGE_SIZE) {
- pte = ptep_get_and_clear(huge_pte_offset(mm, address));
+ ptep = huge_pte_offset(mm, address);
+ if (!ptep)
+ continue;
+ pte = ptep_get_and_clear(ptep);
if (pte_none(pte))
continue;
page = pte_page(pte);
-
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