Re: [patch 3/4] cpu alloc: The allocator

[Christoph Lameter]

Completely wrong. We need this patch that Eric suggested:


Subject: cpu_alloc: Allow alignment < UNIT_SIZE

Limit the minimum alignment to UNIT_SIZE.

Signed-off-by: Christoph Lameter <cl@xxxxxxxxxxxxxxxxxxxx>

Index: linux-2.6/mm/cpu_alloc.c
===================================================================
--- linux-2.6.orig/mm/cpu_alloc.c	2008-09-19 11:47:30.000000000 -0500
+++ linux-2.6/mm/cpu_alloc.c	2008-09-19 11:56:47.000000000 -0500
@@ -86,6 +86,9 @@

 	WARN_ON(align > PAGE_SIZE);

+	if (align < UNIT_SIZE)
+		align = UNIT_SIZE;
+
 	spin_lock_irqsave(&cpu_alloc_map_lock, flags);

 	first = 1
--
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