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author | Alex Shi <alex.shi@linaro.org> | 2017-11-30 12:02:52 +0800 |
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committer | Alex Shi <alex.shi@linaro.org> | 2017-11-30 12:02:52 +0800 |
commit | f83b09c3edc03ebcb59e65d6c37bc1bdb49b8210 (patch) | |
tree | 4617c279cb52c31774284c0bde1ab4fce7efb482 /mm/vmstat.c | |
parent | c19848defd4890f84d733c14b73dcbc87ea180a4 (diff) | |
parent | eddc563b9850ce692c6040ef0f4575aea2396d33 (diff) |
Merge remote-tracking branch 'rt-stable/v4.4-rt' into linux-linaro-lsk-v4.4-rtlsk-v4.4-17.11-rt
Diffstat (limited to 'mm/vmstat.c')
-rw-r--r-- | mm/vmstat.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/mm/vmstat.c b/mm/vmstat.c index 64416fd7c209..6f68846cacbd 100644 --- a/mm/vmstat.c +++ b/mm/vmstat.c @@ -1097,6 +1097,8 @@ static void pagetypeinfo_showmixedcount_print(struct seq_file *m, continue; page_ext = lookup_page_ext(page); + if (unlikely(!page_ext)) + continue; if (!test_bit(PAGE_EXT_OWNER, &page_ext->flags)) continue; |