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-rw-r--r--include/linux/cpuset.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/include/linux/cpuset.h b/include/linux/cpuset.h
index 5a1311942358..85a868ccb493 100644
--- a/include/linux/cpuset.h
+++ b/include/linux/cpuset.h
@@ -104,6 +104,9 @@ extern void cpuset_print_current_mems_allowed(void);
*/
static inline unsigned int read_mems_allowed_begin(void)
{
+ if (!cpusets_enabled())
+ return 0;
+
return read_seqcount_begin(&current->mems_allowed_seq);
}
@@ -115,6 +118,9 @@ static inline unsigned int read_mems_allowed_begin(void)
*/
static inline bool read_mems_allowed_retry(unsigned int seq)
{
+ if (!cpusets_enabled())
+ return false;
+
return read_seqcount_retry(&current->mems_allowed_seq, seq);
}