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| author | Miaohe Lin <linmiaohe@huawei.com> | 2022-04-29 09:16:18 +0300 |
|---|---|---|
| committer | akpm <akpm@linux-foundation.org> | 2022-04-29 09:16:18 +0300 |
| commit | 3109de308987ceae413ee015038d51e2a86c7806 (patch) | |
| tree | 675ccc19df04779c892c3d9e25eb5e86bbc3d388 /include/linux/node.h | |
| parent | 556162bf3a8c27dd6aab180e9a1427d945a708e9 (diff) | |
| download | linux-3109de308987ceae413ee015038d51e2a86c7806.tar.xz | |
mm: compaction: avoid possible NULL pointer dereference in kcompactd_cpu_online
It's possible that kcompactd_run could fail to run kcompactd for a hot
added node and leave pgdat->kcompactd as NULL. So pgdat->kcompactd should
be checked here to avoid possible NULL pointer dereference.
Link: https://lkml.kernel.org/r/20220418141253.24298-10-linmiaohe@huawei.com
Signed-off-by: Miaohe Lin <linmiaohe@huawei.com>
Cc: Charan Teja Kalla <charante@codeaurora.org>
Cc: David Hildenbrand <david@redhat.com>
Cc: Pintu Kumar <pintu@codeaurora.org>
Cc: Vlastimil Babka <vbabka@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'include/linux/node.h')
0 files changed, 0 insertions, 0 deletions