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| author | Xishi Qiu <qiuxishi@huawei.com> | 2016-04-01 14:31:20 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2016-04-01 17:03:37 -0500 |
| commit | 6f25a14a7053b69917e2ebea0d31dd444cd31fd5 (patch) | |
| tree | 48914967e96ffd5e054252cab541f15f768323ee /net/ipv4/tcp_cong.c | |
| parent | 969e8d7e47f93ef693028667480558de8f70523f (diff) | |
| download | lwn-6f25a14a7053b69917e2ebea0d31dd444cd31fd5.tar.gz lwn-6f25a14a7053b69917e2ebea0d31dd444cd31fd5.zip | |
mm: fix invalid node in alloc_migrate_target()
It is incorrect to use next_node to find a target node, it will return
MAX_NUMNODES or invalid node. This will lead to crash in buddy system
allocation.
Fixes: c8721bbbdd36 ("mm: memory-hotplug: enable memory hotplug to handle hugepage")
Signed-off-by: Xishi Qiu <qiuxishi@huawei.com>
Acked-by: Vlastimil Babka <vbabka@suse.cz>
Acked-by: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>
Cc: Joonsoo Kim <js1304@gmail.com>
Cc: David Rientjes <rientjes@google.com>
Cc: "Laura Abbott" <lauraa@codeaurora.org>
Cc: Hui Zhu <zhuhui@xiaomi.com>
Cc: Wang Xiaoqiang <wangxq10@lzu.edu.cn>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'net/ipv4/tcp_cong.c')
0 files changed, 0 insertions, 0 deletions