Commit c00f05a9 authored Jul 22, 2020 by David Hildenbrand Committed by Heiko Carstens Jul 27, 2020

s390/vmemmap: cleanup when vmemmap_populate() fails



Cleanup what we partially added in case vmemmap_populate() fails. For
vmem, this is already handled by vmem_add_mapping().

Cc: Vasily Gorbik <gor@linux.ibm.com>
Cc: Christian Borntraeger <borntraeger@de.ibm.com>
Cc: Gerald Schaefer <gerald.schaefer@de.ibm.com>
Signed-off-by: David Hildenbrand <david@redhat.com>
Message-Id: <20200722094558.9828-5-david@redhat.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>

parent 9ec8fa8d

arch/s390/mm/vmem.c

+6 −1

Original line number	Diff line number	Diff line
		@@ -332,8 +332,13 @@ static void vmem_remove_range(unsigned long start, unsigned long size)
		int __meminit vmemmap_populate(unsigned long start, unsigned long end, int node,
		struct vmem_altmap *altmap)
		{
		int ret;

		/* We don't care about the node, just use NUMA_NO_NODE on allocations */
		return add_pagetable(start, end, false);
		ret = add_pagetable(start, end, false);
		if (ret)
		remove_pagetable(start, end, false);
		return ret;
		}

		void vmemmap_free(unsigned long start, unsigned long end,

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