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From: David Hildenbrand <david@redhat.com>
To: linux-mm@kvack.org
Cc: linux-kernel@vger.kernel.org,
	David Hildenbrand <david@redhat.com>,
	Andrew Morton <akpm@linux-foundation.org>,
	Dave Young <dyoung@redhat.com>, Baoquan He <bhe@redhat.com>,
	Hari Bathini <hbathini@linux.vnet.ibm.com>,
	"Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>
Subject: [PATCH RCFv2 2/7] kdump: include PAGE_OFFLINE_MAPCOUNT_VALUE in ELF info
Date: Mon, 30 Apr 2018 11:42:31 +0200	[thread overview]
Message-ID: <20180430094236.29056-3-david@redhat.com> (raw)
In-Reply-To: <20180430094236.29056-1-david@redhat.com>

This allows dump tools to skip pages that are offline.

Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Dave Young <dyoung@redhat.com>
Cc: Baoquan He <bhe@redhat.com>
Cc: Hari Bathini <hbathini@linux.vnet.ibm.com>
Cc: "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>
Signed-off-by: David Hildenbrand <david@redhat.com>
---
 kernel/crash_core.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/kernel/crash_core.c b/kernel/crash_core.c
index f7674d676889..c0a45e9ba84e 100644
--- a/kernel/crash_core.c
+++ b/kernel/crash_core.c
@@ -464,6 +464,7 @@ static int __init crash_save_vmcoreinfo_init(void)
 #ifdef CONFIG_HUGETLB_PAGE
 	VMCOREINFO_NUMBER(HUGETLB_PAGE_DTOR);
 #endif
+	VMCOREINFO_NUMBER(PAGE_OFFLINE_MAPCOUNT_VALUE);
 
 	arch_crash_save_vmcoreinfo();
 	update_vmcoreinfo_note();
-- 
2.14.3

  parent reply	other threads:[~2018-04-30  9:42 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-04-30  9:42 [PATCH RCFv2 0/7] mm: online/offline 4MB chunks controlled by device driver David Hildenbrand
2018-04-30  9:42 ` [PATCH RCFv2 1/7] mm: introduce and use PageOffline() David Hildenbrand
2018-04-30 14:35   ` Pavel Tatashin
2018-04-30 15:17     ` David Hildenbrand
2018-04-30 15:49       ` David Hildenbrand
2018-04-30  9:42 ` David Hildenbrand [this message]
2018-04-30  9:42 ` [PATCH RCFv2 3/7] mm/memory_hotplug: limit offline_pages() to sizes we can actually handle David Hildenbrand
2018-04-30  9:42 ` [PATCH RCFv2 4/7] mm/memory_hotplug: allow to control onlining/offlining of memory by a driver David Hildenbrand
2018-04-30  9:42 ` [PATCH RCFv2 5/7] mm/memory_hotplug: print only with DEBUG_VM in offline_pages() David Hildenbrand
2018-04-30  9:42 ` [PATCH RCFv2 6/7] mm/memory_hotplug: teach offline_pages() to not try forever David Hildenbrand
2018-04-30  9:42 ` [PATCH RCFv2 7/7] mm/memory_hotplug: allow online/offline memory by a kernel module David Hildenbrand
2018-05-09 14:14 ` [PATCH RCFv2 0/7] mm: online/offline 4MB chunks controlled by device driver David Hildenbrand

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