Re: [PATCH 0/9] Reducing fragmentation using zones v4

[KAMEZAWA Hiroyuki]

Hi, Mel-san

Mel Gorman wrote:
> Changelog since v4
>   o Minor bugs
>   o ppc64 can specify kernelcore
>   o Ability to disable use of ZONE_EASYRCLM at boot time
>   o HugeTLB uses ZONE_EASYRCLM
>   o Add drain-percpu caches for testing
>   o boot-parameter documentation added

Could you add this patch to your set ?
This was needed to boot my x86 machine without HIGHMEM.

-- Kame

Index: linux-2.6.16-rc1-mm3/mm/highmem.c
===================================================================
--- linux-2.6.16-rc1-mm3.orig/mm/highmem.c
+++ linux-2.6.16-rc1-mm3/mm/highmem.c
@@ -225,9 +225,10 @@ static __init int init_emergency_pool(vo
 	struct sysinfo i;
 	si_meminfo(&i);
 	si_swapinfo(&i);
-
+#ifdef CONFIG_HIGHMEM   /* we can add HIGHMEM after boot */
 	if (!i.totalhigh)
 		return 0;
+#endif

 	page_pool = mempool_create(POOL_SIZE, page_pool_alloc, page_pool_free, NULL);
 	if (!page_pool)

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