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On Fri, 18 Apr 2008 13:43:34 +0800 Shi Weihua <shiwh@cn.fujitsu.com> wrote: > KAMEZAWA Hiroyuki wrote:: > > On Fri, 18 Apr 2008 12:32:56 +0900 > > KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> wrote: > > > >>> Or perhaps that page was used and then later freed before we got to > >>> memmap_init_zone() and was freed with a non-zero ->page_cgroup. Which is > >>> unlikely given that page.page_cgroup was only just added and is only > >>> present if CONFIG_CGROUP_MEM_RES_CTLR. > >>> > >> Hmm, I'll try his .config and see what happens. > >> > > I reproduced the hang with his config and confirmed his fix works well. > > But I can't find why...I'll dig a bit more. > > If i use CONFIG_SPARSEMEM instead of CONFIG_DISCONTIGMEM, the kernel > boots successfully. > Hmmm....ok. I'll check DISCONTIGMEM's boot codes. Thanks, -Kame | ||||||||||||
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