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From: Jan Beulich on 26 Mar 2010 12:40
The per-CPU allocator, when using atom_size == PAGE_SIZE, may call
free_area_init_partial() this way.

Signed-off-by: Jan Beulich <jbeulich(a)novell.com>

---
kernel/early_res.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

--- linux-2.6.34-rc2/kernel/early_res.c 2010-03-25 15:23:45.000000000 +0100
+++ 2.6.34-rc2-free_early_partial-zero-size/kernel/early_res.c 2010-03-26 14:49:41.000000000 +0100
@@ -335,10 +335,10 @@ void __init free_early_partial(u64 start

try_next:
i = find_overlapped_early(start, end);
- if (i >= max_early_res)
+ r = &early_res[i];
+ if (i >= max_early_res || !r->end)
return;

- r = &early_res[i];
/* hole ? */
if (r->end >= end && r->start <= start) {
drop_range_partial(i, start, end);



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