On Sun, Sep 11, 2005 at 08:07:25PM -0700, Martin J. Bligh wrote:
> Finally got my damned x440 box back - won't build -mm2 (-mm1 is fine)
>
> arch/i386/kernel/srat.c:141: #error "MAX_NR_ZONES != 3, chunk_to_zone requires review"
> make[1]: *** [arch/i386/kernel/srat.o] Error 1
> make: *** [arch/i386/kernel] Error 2
> 09/11/05-00:57:13 Build the kernel. Failed rc = 2
> 09/11/05-00:57:13 build: kernel build Failed rc = 1
> 09/11/05-00:57:13 command complete: (2) rc=126
>
> x86_64-dma32.patch:-#define MAX_NR_ZONES 3 /* Sync this wi
> h ZONES_SHIFT */
> x86_64-dma32.patch:-#define ZONES_SHIFT 2 /* ceil(log2(MAX_NR_ZON
> S)) */
> x86_64-dma32.patch:+#define MAX_NR_ZONES 4 /* Sync this wi
> h ZONES_SHIFT */
> x86_64-dma32.patch:+#define ZONES_SHIFT 3 /* ceil(log2(MAX_NR_ZON
> S)) */
>
> Andi, does that need changing on ia32 as well as x86_64, or are you
> just missing some ifdefs? Looks to me like the rest of the patch is
> specific to x86_64.
It should be a straight forward fix - the new zone is empty on i386.
Ok I reviewed chunk_to_zone and it should be ok with the new empty
zone. So just the appended patch should work. Can you test?
-AndI
Make i386 compile again with fourth DMA32 zone
The code should deal with an additiona empty zone, so fix up the
#error.
Signed-off-by: Andi Kleen <[email protected]>
Index: linux/arch/i386/kernel/srat.c
===================================================================
--- linux.orig/arch/i386/kernel/srat.c
+++ linux/arch/i386/kernel/srat.c
@@ -137,8 +137,8 @@ static void __init parse_memory_affinity
"enabled and removable" : "enabled" ) );
}
-#if MAX_NR_ZONES != 3
-#error "MAX_NR_ZONES != 3, chunk_to_zone requires review"
+#if MAX_NR_ZONES != 4
+#error "MAX_NR_ZONES != 4, chunk_to_zone requires review"
#endif
/* Take a chunk of pages from page frame cstart to cend and count the number
* of pages in each zone, returned via zones[].
-
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