On Tue 04-04-17 11:02:39, Reza Arbab wrote:
> On Tue, Apr 04, 2017 at 10:23:02AM +0200, Michal Hocko wrote:
> >diff --git a/drivers/base/node.c b/drivers/base/node.c
> >index 5548f9686016..ee080a35e869 100644
> >--- a/drivers/base/node.c
> >+++ b/drivers/base/node.c
> >@@ -368,8 +368,6 @@ int unregister_cpu_under_node(unsigned int cpu, unsigned int nid)
> >}
> >
> >#ifdef CONFIG_MEMORY_HOTPLUG_SPARSE
> >-#define page_initialized(page) (page->lru.next)
> >-
> >static int __ref get_nid_for_pfn(unsigned long pfn)
> >{
> > struct page *page;
> >@@ -380,9 +378,6 @@ static int __ref get_nid_for_pfn(unsigned long pfn)
> > if (system_state == SYSTEM_BOOTING)
> > return early_pfn_to_nid(pfn);
> >#endif
> >- page = pfn_to_page(pfn);
> >- if (!page_initialized(page))
> >- return -1;
> > return pfn_to_nid(pfn);
> >}
> >
>
> You can get rid of 'page' altogether.
>
> drivers/base/node.c: In function ‘get_nid_for_pfn’:
> drivers/base/node.c:373:15: warning: unused variable ‘page’ [-Wunused-variable]
Right, updated.
Thanks for your testing! This is highly appreciated.
Can I assume your Tested-by?
--
Michal Hocko
SUSE Labs
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