Messages in this thread Patch in this message | | | Date | Fri, 26 Mar 2010 16:37:42 +0000 | From | "Jan Beulich" <> | Subject | [PATCH] free_early_partial() should permit start == end |
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The per-CPU allocator, when using atom_size == PAGE_SIZE, may call free_area_init_partial() this way.
Signed-off-by: Jan Beulich <jbeulich@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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