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-rw-r--r--include/linux/mm.h11
1 files changed, 11 insertions, 0 deletions
diff --git a/include/linux/mm.h b/include/linux/mm.h
index ce464cd4777..81443d557a2 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -691,6 +691,12 @@ static inline bool cpupid_cpu_unset(int cpupid)
return cpupid_to_cpu(cpupid) == (-1 & LAST__CPU_MASK);
}
+static inline bool __cpupid_match_pid(pid_t task_pid, int cpupid)
+{
+ return (task_pid & LAST__PID_MASK) == cpupid_to_pid(cpupid);
+}
+
+#define cpupid_match_pid(task, cpupid) __cpupid_match_pid(task->pid, cpupid)
#ifdef LAST_CPUPID_NOT_IN_PAGE_FLAGS
static inline int page_cpupid_xchg_last(struct page *page, int cpupid)
{
@@ -760,6 +766,11 @@ static inline bool cpupid_pid_unset(int cpupid)
static inline void page_cpupid_reset_last(struct page *page)
{
}
+
+static inline bool cpupid_match_pid(struct task_struct *task, int cpupid)
+{
+ return false;
+}
#endif /* CONFIG_NUMA_BALANCING */
static inline struct zone *page_zone(const struct page *page)