From: Yang Shi <yang.shi@linaro.org> To: akpm@linux-foundation.org Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org, linaro-kernel@lists.linaro.org, yang.shi@linaro.org Subject: [PATCH] mm: use early_pfn_to_nid in register_page_bootmem_info_node Date: Wed, 25 May 2016 14:00:07 -0700 [thread overview] Message-ID: <1464210007-30930-1-git-send-email-yang.shi@linaro.org> (raw) register_page_bootmem_info_node() is invoked in mem_init(), so it will be called before page_alloc_init_late() if CONFIG_DEFERRED_STRUCT_PAGE_INIT is enabled. But, pfn_to_nid() depends on memmap which won't be fully setup until page_alloc_init_late() is done, so replace pfn_to_nid() by early_pfn_to_nid(). Signed-off-by: Yang Shi <yang.shi@linaro.org> --- mm/memory_hotplug.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c index caf2a14..b8ee080 100644 --- a/mm/memory_hotplug.c +++ b/mm/memory_hotplug.c @@ -300,7 +300,7 @@ void register_page_bootmem_info_node(struct pglist_data *pgdat) * multiple nodes we check that this pfn does not already * reside in some other nodes. */ - if (pfn_valid(pfn) && (pfn_to_nid(pfn) == node)) + if (pfn_valid(pfn) && (early_pfn_to_nid(pfn) == node)) register_page_bootmem_info_section(pfn); } } -- 2.0.2
WARNING: multiple messages have this Message-ID (diff)
From: Yang Shi <yang.shi@linaro.org> To: akpm@linux-foundation.org Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org, linaro-kernel@lists.linaro.org, yang.shi@linaro.org Subject: [PATCH] mm: use early_pfn_to_nid in register_page_bootmem_info_node Date: Wed, 25 May 2016 14:00:07 -0700 [thread overview] Message-ID: <1464210007-30930-1-git-send-email-yang.shi@linaro.org> (raw) register_page_bootmem_info_node() is invoked in mem_init(), so it will be called before page_alloc_init_late() if CONFIG_DEFERRED_STRUCT_PAGE_INIT is enabled. But, pfn_to_nid() depends on memmap which won't be fully setup until page_alloc_init_late() is done, so replace pfn_to_nid() by early_pfn_to_nid(). Signed-off-by: Yang Shi <yang.shi@linaro.org> --- mm/memory_hotplug.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c index caf2a14..b8ee080 100644 --- a/mm/memory_hotplug.c +++ b/mm/memory_hotplug.c @@ -300,7 +300,7 @@ void register_page_bootmem_info_node(struct pglist_data *pgdat) * multiple nodes we check that this pfn does not already * reside in some other nodes. */ - if (pfn_valid(pfn) && (pfn_to_nid(pfn) == node)) + if (pfn_valid(pfn) && (early_pfn_to_nid(pfn) == node)) register_page_bootmem_info_section(pfn); } } -- 2.0.2 -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@kvack.org"> email@kvack.org </a>
next reply other threads:[~2016-05-25 21:27 UTC|newest] Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top 2016-05-25 21:00 Yang Shi [this message] 2016-05-25 21:00 ` [PATCH] mm: use early_pfn_to_nid in register_page_bootmem_info_node Yang Shi 2016-05-25 22:23 ` Andrew Morton 2016-05-25 22:23 ` Andrew Morton 2016-05-25 22:36 ` Shi, Yang 2016-05-25 22:36 ` Shi, Yang 2016-05-26 0:37 ` Joonsoo Kim 2016-05-26 0:37 ` Joonsoo Kim
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