From: David Hildenbrand <david@redhat.com>
To: linux-kernel@vger.kernel.org
Cc: linux-s390@vger.kernel.org, linux-mm@kvack.org,
David Hildenbrand <david@redhat.com>,
Heiko Carstens <heiko.carstens@de.ibm.com>,
Vasily Gorbik <gor@linux.ibm.com>,
Christian Borntraeger <borntraeger@de.ibm.com>,
Gerald Schaefer <gerald.schaefer@de.ibm.com>
Subject: [PATCH v1 4/9] s390/vmemmap: cleanup when vmemmap_populate() fails
Date: Fri, 3 Jul 2020 15:39:12 +0200 [thread overview]
Message-ID: <20200703133917.39045-5-david@redhat.com> (raw)
In-Reply-To: <20200703133917.39045-1-david@redhat.com>
Cleanup what we partially added in case vmemmap_populate() fails.
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
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>
---
arch/s390/mm/vmem.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/arch/s390/mm/vmem.c b/arch/s390/mm/vmem.c
index 16e109c292bf5..bcddabd509da8 100644
--- a/arch/s390/mm/vmem.c
+++ b/arch/s390/mm/vmem.c
@@ -364,6 +364,8 @@ int __meminit vmemmap_populate(unsigned long start, unsigned long end, int node,
}
ret = 0;
out:
+ if (ret)
+ vmemmap_free(start, end, altmap);
return ret;
}
--
2.26.2
next prev parent reply other threads:[~2020-07-03 13:39 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-07-03 13:39 [PATCH v1 0/9] s390: implement and optimize vmemmap_free() David Hildenbrand
2020-07-03 13:39 ` [PATCH v1 1/9] s390/vmem: rename vmem_add_mem() to vmem_add_range() David Hildenbrand
2020-07-03 13:39 ` [PATCH v1 2/9] s390/vmem: recursive implementation of vmem_remove_range() David Hildenbrand
2020-07-03 13:39 ` [PATCH v1 3/9] s390/vmemmap: implement vmemmap_free() David Hildenbrand
2020-07-03 13:39 ` David Hildenbrand [this message]
2020-07-03 17:09 ` [PATCH v1 4/9] s390/vmemmap: cleanup when vmemmap_populate() fails kernel test robot
2020-07-06 7:30 ` David Hildenbrand
2020-07-04 11:48 ` kernel test robot
2020-07-03 13:39 ` [PATCH v1 5/9] s390/vmemmap: take the vmem_mutex when populating/freeing David Hildenbrand
2020-07-03 13:39 ` [PATCH v1 6/9] s390/vmem: cleanup empty page tables David Hildenbrand
2020-07-03 13:39 ` [PATCH v1 7/9] s390/vmemmap: fallback to PTEs if mapping large PMD fails David Hildenbrand
2020-07-03 13:39 ` [PATCH v1 8/9] s390/vmemmap: remember unused sub-pmd ranges David Hildenbrand
2020-07-03 13:39 ` [PATCH v1 9/9] s390/vmemmap: avoid memset(PAGE_UNUSED) when adding consecutive sections David Hildenbrand
2020-07-03 15:48 ` [PATCH v1 0/9] s390: implement and optimize vmemmap_free() Heiko Carstens
2020-07-07 12:08 ` Heiko Carstens
2020-07-07 12:13 ` David Hildenbrand
2020-07-08 6:50 ` David Hildenbrand
2020-07-08 12:16 ` David Hildenbrand
2020-07-10 13:57 ` Heiko Carstens
2020-07-10 14:02 ` David Hildenbrand
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