From: Alex Chiang <achiang-VXdhtT5mjnY@public.gmane.org>
To: rdreier-FYB4Gu1CFyUAvxtiuMwx3w@public.gmane.org
Cc: linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
justin.chen-VXdhtT5mjnY@public.gmane.org,
linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: [PATCH 6/7] IB/uverbs: pack struct ib_uverbs_event_file tighter
Date: Fri, 29 Jan 2010 14:45:28 -0700 [thread overview]
Message-ID: <20100129214528.17745.56022.stgit@bob.kio> (raw)
In-Reply-To: <20100129214039.17745.38679.stgit-tBlMHHroXgg@public.gmane.org>
Eliminate some padding in the structure by rearranging the members.
sizeof(struct ib_uverbs_event_file) is now 72 bytes (from 80) and
more members now fit in the first cacheline.
Signed-off-by: Alex Chiang <achiang-VXdhtT5mjnY@public.gmane.org>
---
drivers/infiniband/core/uverbs.h | 4 ++--
1 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/infiniband/core/uverbs.h b/drivers/infiniband/core/uverbs.h
index e695f65..e54d9ac 100644
--- a/drivers/infiniband/core/uverbs.h
+++ b/drivers/infiniband/core/uverbs.h
@@ -80,13 +80,13 @@ struct ib_uverbs_device {
struct ib_uverbs_event_file {
struct kref ref;
+ int is_async;
struct ib_uverbs_file *uverbs_file;
spinlock_t lock;
+ int is_closed;
wait_queue_head_t poll_wait;
struct fasync_struct *async_queue;
struct list_head event_list;
- int is_async;
- int is_closed;
};
struct ib_uverbs_file {
--
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WARNING: multiple messages have this Message-ID (diff)
From: Alex Chiang <achiang@hp.com>
To: rdreier@cisco.com
Cc: linux-rdma@vger.kernel.org, justin.chen@hp.com,
linux-kernel@vger.kernel.org
Subject: [PATCH 6/7] IB/uverbs: pack struct ib_uverbs_event_file tighter
Date: Fri, 29 Jan 2010 14:45:28 -0700 [thread overview]
Message-ID: <20100129214528.17745.56022.stgit@bob.kio> (raw)
In-Reply-To: <20100129214039.17745.38679.stgit@bob.kio>
Eliminate some padding in the structure by rearranging the members.
sizeof(struct ib_uverbs_event_file) is now 72 bytes (from 80) and
more members now fit in the first cacheline.
Signed-off-by: Alex Chiang <achiang@hp.com>
---
drivers/infiniband/core/uverbs.h | 4 ++--
1 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/infiniband/core/uverbs.h b/drivers/infiniband/core/uverbs.h
index e695f65..e54d9ac 100644
--- a/drivers/infiniband/core/uverbs.h
+++ b/drivers/infiniband/core/uverbs.h
@@ -80,13 +80,13 @@ struct ib_uverbs_device {
struct ib_uverbs_event_file {
struct kref ref;
+ int is_async;
struct ib_uverbs_file *uverbs_file;
spinlock_t lock;
+ int is_closed;
wait_queue_head_t poll_wait;
struct fasync_struct *async_queue;
struct list_head event_list;
- int is_async;
- int is_closed;
};
struct ib_uverbs_file {
next prev parent reply other threads:[~2010-01-29 21:45 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-01-29 21:44 [PATCH 0/7] Increase maximum Infiniband HCAs per-system Alex Chiang
2010-01-29 21:44 ` Alex Chiang
2010-01-29 21:45 ` [PATCH 1/7] IB/uverbs: convert *cdev to cdev in struct ib_uverbs_device Alex Chiang
2010-01-29 21:45 ` [PATCH 3/7] IB/uverbs: use stack variable 'devnum' in ib_uverbs_add_one Alex Chiang
2010-01-29 21:45 ` [PATCH 4/7] IB/uverbs: use stack variable 'base' " Alex Chiang
[not found] ` <20100129214039.17745.38679.stgit-tBlMHHroXgg@public.gmane.org>
2010-01-29 21:45 ` [PATCH 2/7] IB/uverbs: remove dev_table Alex Chiang
2010-01-29 21:45 ` Alex Chiang
2010-01-29 21:45 ` [PATCH 5/7] IB/uverbs: increase maximum devices supported Alex Chiang
2010-01-29 21:45 ` Alex Chiang
2010-01-29 21:45 ` Alex Chiang [this message]
2010-01-29 21:45 ` [PATCH 6/7] IB/uverbs: pack struct ib_uverbs_event_file tighter Alex Chiang
2010-01-29 22:54 ` [PATCH 0/7] Increase maximum Infiniband HCAs per-system Roland Dreier
2010-01-29 22:54 ` Roland Dreier
[not found] ` <adar5p8ldxv.fsf-BjVyx320WGW9gfZ95n9DRSW4+XlvGpQz@public.gmane.org>
2010-01-29 23:41 ` Alex Chiang
2010-01-29 23:41 ` Alex Chiang
[not found] ` <20100129234145.GC5177-e+Ta4ugHZmL3oGB3hsPCZA@public.gmane.org>
2010-01-30 7:13 ` Roland Dreier
2010-01-30 7:13 ` Roland Dreier
2010-02-01 12:55 ` Hal Rosenstock
2010-02-01 12:55 ` Hal Rosenstock
2010-01-29 21:45 ` [PATCH 7/7] IB/core: pack struct ib_device a little tighter Alex Chiang
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