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Message-ID: <20120420194121.GF15021@tiehlicka.suse.cz> Date: Fri, 20 Apr 2012 21:41:21 +0200 From: Michal Hocko <mhocko@...e.cz> To: Yinghai Lu <yinghai@...nel.org> Cc: Sam Ravnborg <sam@...nborg.org>, Tejun Heo <tj@...nel.org>, linux-mm@...ck.org, LKML <linux-kernel@...r.kernel.org> Subject: Re: Weirdness in __alloc_bootmem_node_high On Fri 20-04-12 12:32:38, Yinghai Lu wrote: > On Fri, Apr 20, 2012 at 12:29 PM, Michal Hocko <mhocko@...e.cz> wrote: > > This is what I can see in the current (Linus) git: > > ./arch/sparc/Kconfig: select SPARSEMEM_VMEMMAP_ENABLE > > ./arch/powerpc/Kconfig: select SPARSEMEM_VMEMMAP_ENABLE > > ./arch/ia64/Kconfig: select SPARSEMEM_VMEMMAP_ENABLE > > ./arch/s390/Kconfig: select SPARSEMEM_VMEMMAP_ENABLE > > ./arch/s390/Kconfig: select SPARSEMEM_VMEMMAP > > ./arch/x86/Kconfig: select SPARSEMEM_VMEMMAP_ENABLE if X86_64 > > > > So there are more arches which enable SPARSEMEM_VMEMMAP so the function > > is used. Or am I missing something? > > MAX_DMA32_PFN is not defined for them. Ahh, you are right except that it is defined for x86 but that one uses nobootmem. I missed that point. Thanks -- Michal Hocko SUSE Labs SUSE LINUX s.r.o. Lihovarska 1060/12 190 00 Praha 9 Czech Republic -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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