From: Peng Wu <wupeng58@huawei.com> hulk inclusion category: feature bugzilla: https://gitee.com/openeuler/kernel/issues/I4SK3S CVE: NA ---------------------------------------------------- Reliable memory used shown in /proc/pid/status is incorrect because this var is about page count. So (PAGE_SHIFT - 10) is multiplied to get correct size in kB. Fixes: 094eaabb3fe8 ("proc: Count reliable memory usage of reliable tasks") Signed-off-by: Peng Wu <wupeng58@huawei.com> Reviewed-by: Kefeng Wang<wangkefeng.wang@huawei.com> Signed-off-by: Yang Yingliang <yangyingliang@huawei.com> --- mm/mem_reliable.c | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) diff --git a/mm/mem_reliable.c b/mm/mem_reliable.c index dcbe3f58f6927..01b0af708bc63 100644 --- a/mm/mem_reliable.c +++ b/mm/mem_reliable.c @@ -211,10 +211,11 @@ void reliable_report_meminfo(struct seq_file *m) void reliable_report_usage(struct seq_file *m, struct mm_struct *mm) { - if (mem_reliable_is_enabled()) { - seq_printf(m, "Reliable:\t%8lu kB\n", - atomic_long_read(&mm->reliable_nr_page)); - } + if (!mem_reliable_is_enabled()) + return; + + seq_printf(m, "Reliable:\t%8lu kB\n", + atomic_long_read(&mm->reliable_nr_page) << (PAGE_SHIFT - 10)); } #ifdef CONFIG_SYSCTL -- 2.25.1