From 20ae00792c6f1f18fc4fc5965445a145df92827e Mon Sep 17 00:00:00 2001 From: Tejun Heo Date: Mon, 8 Sep 2014 09:51:30 +0900 Subject: [PATCH] proportions: add @gfp to init functions Percpu allocator now supports allocation mask. Add @gfp to [flex_]proportions init functions so that !GFP_KERNEL allocation masks can be used with them too. This patch doesn't make any functional difference. Signed-off-by: Tejun Heo Reviewed-by: Jan Kara Cc: Peter Zijlstra --- include/linux/flex_proportions.h | 5 +++-- include/linux/proportions.h | 5 +++-- lib/flex_proportions.c | 8 ++++---- lib/proportions.c | 10 +++++----- mm/backing-dev.c | 2 +- mm/page-writeback.c | 2 +- 6 files changed, 17 insertions(+), 15 deletions(-) diff --git a/include/linux/flex_proportions.h b/include/linux/flex_proportions.h index 4ebc49fae391..0d348e011a6e 100644 --- a/include/linux/flex_proportions.h +++ b/include/linux/flex_proportions.h @@ -10,6 +10,7 @@ #include #include #include +#include /* * When maximum proportion of some event type is specified, this is the @@ -32,7 +33,7 @@ struct fprop_global { seqcount_t sequence; }; -int fprop_global_init(struct fprop_global *p); +int fprop_global_init(struct fprop_global *p, gfp_t gfp); void fprop_global_destroy(struct fprop_global *p); bool fprop_new_period(struct fprop_global *p, int periods); @@ -79,7 +80,7 @@ struct fprop_local_percpu { raw_spinlock_t lock; /* Protect period and numerator */ }; -int fprop_local_init_percpu(struct fprop_local_percpu *pl); +int fprop_local_init_percpu(struct fprop_local_percpu *pl, gfp_t gfp); void fprop_local_destroy_percpu(struct fprop_local_percpu *pl); void __fprop_inc_percpu(struct fprop_global *p, struct fprop_local_percpu *pl); void __fprop_inc_percpu_max(struct fprop_global *p, struct fprop_local_percpu *pl, diff --git a/include/linux/proportions.h b/include/linux/proportions.h index 26a8a4ed9b07..00e8e8fa7358 100644 --- a/include/linux/proportions.h +++ b/include/linux/proportions.h @@ -12,6 +12,7 @@ #include #include #include +#include struct prop_global { /* @@ -40,7 +41,7 @@ struct prop_descriptor { struct mutex mutex; /* serialize the prop_global switch */ }; -int prop_descriptor_init(struct prop_descriptor *pd, int shift); +int prop_descriptor_init(struct prop_descriptor *pd, int shift, gfp_t gfp); void prop_change_shift(struct prop_descriptor *pd, int new_shift); /* @@ -61,7 +62,7 @@ struct prop_local_percpu { raw_spinlock_t lock; /* protect the snapshot state */ }; -int prop_local_init_percpu(struct prop_local_percpu *pl); +int prop_local_init_percpu(struct prop_local_percpu *pl, gfp_t gfp); void prop_local_destroy_percpu(struct prop_local_percpu *pl); void __prop_inc_percpu(struct prop_descriptor *pd, struct prop_local_percpu *pl); void prop_fraction_percpu(struct prop_descriptor *pd, struct prop_local_percpu *pl, diff --git a/lib/flex_proportions.c b/lib/flex_proportions.c index b9d026bfcf38..8f25652f40d4 100644 --- a/lib/flex_proportions.c +++ b/lib/flex_proportions.c @@ -34,13 +34,13 @@ */ #include -int fprop_global_init(struct fprop_global *p) +int fprop_global_init(struct fprop_global *p, gfp_t gfp) { int err; p->period = 0; /* Use 1 to avoid dealing with periods with 0 events... */ - err = percpu_counter_init(&p->events, 1, GFP_KERNEL); + err = percpu_counter_init(&p->events, 1, gfp); if (err) return err; seqcount_init(&p->sequence); @@ -168,11 +168,11 @@ void fprop_fraction_single(struct fprop_global *p, */ #define PROP_BATCH (8*(1+ilog2(nr_cpu_ids))) -int fprop_local_init_percpu(struct fprop_local_percpu *pl) +int fprop_local_init_percpu(struct fprop_local_percpu *pl, gfp_t gfp) { int err; - err = percpu_counter_init(&pl->events, 0, GFP_KERNEL); + err = percpu_counter_init(&pl->events, 0, gfp); if (err) return err; pl->period = 0; diff --git a/lib/proportions.c b/lib/proportions.c index ca95f8d54384..6f724298f67a 100644 --- a/lib/proportions.c +++ b/lib/proportions.c @@ -73,7 +73,7 @@ #include #include -int prop_descriptor_init(struct prop_descriptor *pd, int shift) +int prop_descriptor_init(struct prop_descriptor *pd, int shift, gfp_t gfp) { int err; @@ -83,11 +83,11 @@ int prop_descriptor_init(struct prop_descriptor *pd, int shift) pd->index = 0; pd->pg[0].shift = shift; mutex_init(&pd->mutex); - err = percpu_counter_init(&pd->pg[0].events, 0, GFP_KERNEL); + err = percpu_counter_init(&pd->pg[0].events, 0, gfp); if (err) goto out; - err = percpu_counter_init(&pd->pg[1].events, 0, GFP_KERNEL); + err = percpu_counter_init(&pd->pg[1].events, 0, gfp); if (err) percpu_counter_destroy(&pd->pg[0].events); @@ -188,12 +188,12 @@ prop_adjust_shift(int *pl_shift, unsigned long *pl_period, int new_shift) #define PROP_BATCH (8*(1+ilog2(nr_cpu_ids))) -int prop_local_init_percpu(struct prop_local_percpu *pl) +int prop_local_init_percpu(struct prop_local_percpu *pl, gfp_t gfp) { raw_spin_lock_init(&pl->lock); pl->shift = 0; pl->period = 0; - return percpu_counter_init(&pl->events, 0, GFP_KERNEL); + return percpu_counter_init(&pl->events, 0, gfp); } void prop_local_destroy_percpu(struct prop_local_percpu *pl) diff --git a/mm/backing-dev.c b/mm/backing-dev.c index f19a818be2d3..64ec49d1772b 100644 --- a/mm/backing-dev.c +++ b/mm/backing-dev.c @@ -470,7 +470,7 @@ int bdi_init(struct backing_dev_info *bdi) bdi->write_bandwidth = INIT_BW; bdi->avg_write_bandwidth = INIT_BW; - err = fprop_local_init_percpu(&bdi->completions); + err = fprop_local_init_percpu(&bdi->completions, GFP_KERNEL); if (err) { err: diff --git a/mm/page-writeback.c b/mm/page-writeback.c index 91d73ef1744d..508599403721 100644 --- a/mm/page-writeback.c +++ b/mm/page-writeback.c @@ -1777,7 +1777,7 @@ void __init page_writeback_init(void) writeback_set_ratelimit(); register_cpu_notifier(&ratelimit_nb); - fprop_global_init(&writeout_completions); + fprop_global_init(&writeout_completions, GFP_KERNEL); } /** -- 2.20.1