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-rw-r--r--include/linux/padata.h14
1 files changed, 10 insertions, 4 deletions
diff --git a/include/linux/padata.h b/include/linux/padata.h
index 495b16b6b4d7..0146daf34430 100644
--- a/include/linux/padata.h
+++ b/include/linux/padata.h
@@ -137,6 +137,7 @@ struct padata_shell {
* appropriate for one worker thread to do at once.
* @max_threads: Max threads to use for the job, actual number may be less
* depending on task size and minimum chunk size.
+ * @numa_aware: Distribute jobs to different nodes with CPU in a round robin fashion.
*/
struct padata_mt_job {
void (*thread_fn)(unsigned long start, unsigned long end, void *arg);
@@ -146,6 +147,7 @@ struct padata_mt_job {
unsigned long align;
unsigned long min_chunk;
int max_threads;
+ bool numa_aware;
};
/**
@@ -178,10 +180,6 @@ struct padata_instance {
#ifdef CONFIG_PADATA
extern void __init padata_init(void);
-#else
-static inline void __init padata_init(void) {}
-#endif
-
extern struct padata_instance *padata_alloc(const char *name);
extern void padata_free(struct padata_instance *pinst);
extern struct padata_shell *padata_alloc_shell(struct padata_instance *pinst);
@@ -192,4 +190,12 @@ extern void padata_do_serial(struct padata_priv *padata);
extern void __init padata_do_multithreaded(struct padata_mt_job *job);
extern int padata_set_cpumask(struct padata_instance *pinst, int cpumask_type,
cpumask_var_t cpumask);
+#else
+static inline void __init padata_init(void) {}
+static inline void __init padata_do_multithreaded(struct padata_mt_job *job)
+{
+ job->thread_fn(job->start, job->start + job->size, job->fn_arg);
+}
+#endif
+
#endif