Messages in this thread | | | Subject | Re: [PATCH v3] mm/page_owner: fix for deferred struct page init | From | William Kucharski <> | Date | Thu, 20 Dec 2018 14:00:10 -0700 |
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> On Dec 20, 2018, at 1:31 PM, Qian Cai <cai@lca.pw> wrote: > > diff --git a/mm/page_ext.c b/mm/page_ext.c > index ae44f7adbe07..d76fd51e312a 100644 > --- a/mm/page_ext.c > +++ b/mm/page_ext.c > @@ -399,9 +399,8 @@ void __init page_ext_init(void) > * -------------pfn--------------> > * N0 | N1 | N2 | N0 | N1 | N2|.... > * > - * Take into account DEFERRED_STRUCT_PAGE_INIT. > */ > - if (early_pfn_to_nid(pfn) != nid) > + if (pfn_to_nid(pfn) != nid) > continue; > if (init_section_page_ext(pfn, nid)) > goto oom; > -- > 2.17.2 (Apple Git-113) >
Is there any danger in the fact that in the CONFIG_NUMA case in mmzone.h (around line 1261), pfn_to_nid() calls page_to_nid(), possibly causing the same issue seen in v2?
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