mir/criu
2
0
Fork 0
mirror of https://github.com/checkpoint-restore/criu synced 2025-08-30 13:58:34 +00:00
Code Issues Releases Wiki Activity

Log if prctl(SET_THP_DISABLE) doesn't work as expected.

Browse Source 
If prctl(SET_THP_DISABLE) is not used due to bad semantics, log it
for easier debugging.

Signed-off-by: Michał Mirosław <emmir@google.com>
This commit is contained in:
Michał Mirosław
2023-06-02 17:22:06 +02:00
committed by Andrei Vagin
parent 21ce76263b
commit 2364c963c6
1 changed files with 2 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
criu/kerndat.c
View File

@@ -1324,6 +1324,8 @@ int kerndat_has_thp_disable(void)
parse_vmflags(str, &flags, &madv, &io_pf);
kdat.has_thp_disable = !(madv & (1 << MADV_NOHUGEPAGE));
if (!kdat.has_thp_disable)
pr_warn("prctl PR_SET_THP_DISABLE sets MADV_NOHUGEPAGE");
break;
}
}