RE: scheduler cache-hot-auto-tune patch breaks ia64 UP build

Lynch, Rusty wrote on Tuesday, June 21, 2005 3:04 PM
> Attempting to build 2.6.12-mm1 on ia64 with CONFIG_SMP disabled will
> cause the build to break because max_cache_size is undefined.  I haven't
> spent the time to understand the cache-hot-auto-tune feature, so I don't
> have a patch to fix the problem.

It needs a #ifdef around max_cache_size.  Patch to fix the build problem.


Signed-off-by: Ken Chen <[email protected]>

--- linux-2.6.12/arch/ia64/kernel/setup.c.orig	2005-06-21 15:46:16.418636538 -0700
+++ linux-2.6.12/arch/ia64/kernel/setup.c	2005-06-21 15:46:34.496761317 -0700
@@ -655,7 +655,9 @@ get_max_cacheline_size (void)
 			cache_size = cci.pcci_cache_size;
         }
   out:
+#ifdef CONFIG_SMP
 	max_cache_size = max(max_cache_size, cache_size);
+#endif
 	if (max > ia64_max_cacheline_size)
 		ia64_max_cacheline_size = max;
 }

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