linux-mm.kvack.org archive mirror
 help / color / mirror / Atom feed
From: Josef Bacik <josef@toxicpanda.com>
To: hannes@cmpxchg.org, linux-mm@kvack.org,
	akpm@linux-foundation.org, jack@suse.cz,
	linux-fsdevel@vger.kernel.org, kernel-team@fb.com,
	linux-btrfs@vger.kernel.org
Cc: Josef Bacik <jbacik@fb.com>
Subject: [PATCH 04/10] lib: add a __fprop_add_percpu_max
Date: Tue, 14 Nov 2017 16:56:50 -0500	[thread overview]
Message-ID: <1510696616-8489-4-git-send-email-josef@toxicpanda.com> (raw)
In-Reply-To: <1510696616-8489-1-git-send-email-josef@toxicpanda.com>

From: Josef Bacik <jbacik@fb.com>

This helper allows us to add an arbitrary amount to the fprop
structures.

Signed-off-by: Josef Bacik <jbacik@fb.com>
---
 include/linux/flex_proportions.h | 11 +++++++++--
 lib/flex_proportions.c           |  9 +++++----
 2 files changed, 14 insertions(+), 6 deletions(-)

diff --git a/include/linux/flex_proportions.h b/include/linux/flex_proportions.h
index 853f4305d1b2..2d1a87331e5d 100644
--- a/include/linux/flex_proportions.h
+++ b/include/linux/flex_proportions.h
@@ -85,8 +85,8 @@ struct fprop_local_percpu {
 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,
-			    int max_frac);
+void __fprop_add_percpu_max(struct fprop_global *p, struct fprop_local_percpu *pl,
+			    unsigned long nr, int max_frac);
 void fprop_fraction_percpu(struct fprop_global *p,
 	struct fprop_local_percpu *pl, unsigned long *numerator,
 	unsigned long *denominator);
@@ -101,4 +101,11 @@ void fprop_inc_percpu(struct fprop_global *p, struct fprop_local_percpu *pl)
 	local_irq_restore(flags);
 }
 
+static inline
+void __fprop_inc_percpu_max(struct fprop_global *p,
+			    struct fprop_local_percpu *pl, int max_frac)
+{
+	__fprop_add_percpu_max(p, pl, 1, max_frac);
+}
+
 #endif
diff --git a/lib/flex_proportions.c b/lib/flex_proportions.c
index 5552523b663a..2190180a81fe 100644
--- a/lib/flex_proportions.c
+++ b/lib/flex_proportions.c
@@ -254,8 +254,9 @@ void fprop_fraction_percpu(struct fprop_global *p,
  * Like __fprop_inc_percpu() except that event is counted only if the given
  * type has fraction smaller than @max_frac/FPROP_FRAC_BASE
  */
-void __fprop_inc_percpu_max(struct fprop_global *p,
-			    struct fprop_local_percpu *pl, int max_frac)
+void __fprop_add_percpu_max(struct fprop_global *p,
+			    struct fprop_local_percpu *pl, unsigned long nr,
+			    int max_frac)
 {
 	if (unlikely(max_frac < FPROP_FRAC_BASE)) {
 		unsigned long numerator, denominator;
@@ -266,6 +267,6 @@ void __fprop_inc_percpu_max(struct fprop_global *p,
 			return;
 	} else
 		fprop_reflect_period_percpu(p, pl);
-	percpu_counter_add_batch(&pl->events, 1, p->batch_size);
-	percpu_counter_add(&p->events, 1);
+	percpu_counter_add_batch(&pl->events, nr, p->batch_size);
+	percpu_counter_add(&p->events, nr);
 }
-- 
2.7.5

--
To unsubscribe, send a message with 'unsubscribe linux-mm' in
the body to majordomo@kvack.org.  For more info on Linux MM,
see: http://www.linux-mm.org/ .
Don't email: <a href=mailto:"dont@kvack.org"> email@kvack.org </a>

  parent reply	other threads:[~2017-11-14 21:57 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-11-14 21:56 [PATCH 01/10] remove mapping from balance_dirty_pages*() Josef Bacik
2017-11-14 21:56 ` [PATCH 02/10] writeback: convert WB_WRITTEN/WB_DIRITED counters to bytes Josef Bacik
2017-11-16 23:45   ` Liu Bo
2017-11-14 21:56 ` [PATCH 03/10] lib: add a batch size to fprop_global Josef Bacik
2017-11-22  8:47   ` Jan Kara
2017-11-22  8:54     ` Jan Kara
2017-11-14 21:56 ` Josef Bacik [this message]
2017-11-14 21:56 ` [PATCH 05/10] writeback: convert the flexible prop stuff to bytes Josef Bacik
2017-11-14 21:56 ` [PATCH 06/10] writeback: add counters for metadata usage Josef Bacik
2017-11-22 10:21   ` Jan Kara
2017-11-14 21:56 ` [PATCH 07/10] writeback: introduce super_operations->write_metadata Josef Bacik
2017-11-14 21:56 ` [PATCH 08/10] export radix_tree_iter_tag_set Josef Bacik
2017-11-14 21:56 ` [PATCH 09/10] Btrfs: kill the btree_inode Josef Bacik
2017-11-17  1:03   ` Liu Bo
2017-11-17  1:13     ` Josef Bacik
2017-11-14 21:56 ` [PATCH 10/10] btrfs: rework end io for extent buffer reads Josef Bacik
2017-11-17  1:24   ` Liu Bo
2017-11-16 23:36 ` [PATCH 01/10] remove mapping from balance_dirty_pages*() Liu Bo
2017-11-21 22:45 ` Andrew Morton

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=1510696616-8489-4-git-send-email-josef@toxicpanda.com \
    --to=josef@toxicpanda.com \
    --cc=akpm@linux-foundation.org \
    --cc=hannes@cmpxchg.org \
    --cc=jack@suse.cz \
    --cc=jbacik@fb.com \
    --cc=kernel-team@fb.com \
    --cc=linux-btrfs@vger.kernel.org \
    --cc=linux-fsdevel@vger.kernel.org \
    --cc=linux-mm@kvack.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).