Messages in this thread | | | Date | Thu, 13 Mar 2008 18:39:34 -0700 | From | "Yinghai Lu" <> | Subject | Re: [PATCH] mm: make free_bootmem to loop bdata_list |
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On Thu, Mar 13, 2008 at 6:39 PM, KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> wrote: > On Thu, 13 Mar 2008 11:53:31 -0700 > "Yinghai Lu" <yhlu.kernel@gmail.com> wrote: > > =================================================================== > > --- linux-2.6.orig/mm/bootmem.c > > +++ linux-2.6/mm/bootmem.c > > @@ -427,7 +438,9 @@ int __init reserve_bootmem(unsigned long > > > > void __init free_bootmem(unsigned long addr, unsigned long size) > > { > > - free_bootmem_core(NODE_DATA(0)->bdata, addr, size); > > + bootmem_data_t *bdata; > > + list_for_each_entry(bdata, &bdata_list, list) > > + free_bootmem_core(bdata, addr, size); > > } > > > Just a confirmation. > In above loop, boundary check in free_bootmem_core() hits two or more times ? > If yes, it's ok. > If no, please exit loop at hit.
yes. need that handle range cross node (RAMDISK case that is end beyond end_of_ram).
YH
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