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Groups > linux.kernel > #1600988 > unrolled thread

[PATCH 6/7] megasas: Remove expensive inline from megasas_return_cmd

Started byAndi Kleen <andi@firstfloor.org>
First post2017-03-15 03:20 +0100
Last post2017-03-15 13:20 +0100
Articles 2 — 2 participants

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  [PATCH 6/7] megasas: Remove expensive inline from megasas_return_cmd Andi Kleen <andi@firstfloor.org> - 2017-03-15 03:20 +0100
    RE: [PATCH 6/7] megasas: Remove expensive inline from megasas_return_cmd Sumit Saxena <sumit.saxena@broadcom.com> - 2017-03-15 13:20 +0100

#1600988 — [PATCH 6/7] megasas: Remove expensive inline from megasas_return_cmd

FromAndi Kleen <andi@firstfloor.org>
Date2017-03-15 03:20 +0100
Subject[PATCH 6/7] megasas: Remove expensive inline from megasas_return_cmd
Message-ID<tl6HD-OK-1@gated-at.bofh.it>
From: Andi Kleen <ak@linux.intel.com>

Remove an inline from a fairly big function that is used often.
It's unlikely that calling or not calling it makes a lot of difference.

Saves around 8k text in my kernel.

   text    data     bss     dec     hex filename
9047801 5367568 11116544        25531913        1859609 vmlinux-before-megasas
9039417 5367568 11116544        25523529        1857549 vmlinux-megasas

Cc: megaraidlinux.pdl@broadcom.com
Signed-off-by: Andi Kleen <ak@linux.intel.com>
---
 drivers/scsi/megaraid/megaraid_sas_base.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/scsi/megaraid/megaraid_sas_base.c b/drivers/scsi/megaraid/megaraid_sas_base.c
index 7ac9a9ee9bd4..55b71de3fb1f 100644
--- a/drivers/scsi/megaraid/megaraid_sas_base.c
+++ b/drivers/scsi/megaraid/megaraid_sas_base.c
@@ -244,7 +244,7 @@ struct megasas_cmd *megasas_get_cmd(struct megasas_instance
  * @instance:		Adapter soft state
  * @cmd:		Command packet to be returned to free command pool
  */
-inline void
+void
 megasas_return_cmd(struct megasas_instance *instance, struct megasas_cmd *cmd)
 {
 	unsigned long flags;
-- 
2.9.3

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#1601355

FromSumit Saxena <sumit.saxena@broadcom.com>
Date2017-03-15 13:20 +0100
Message-ID<tlg4i-7uK-15@gated-at.bofh.it>
In reply to#1600988
>-----Original Message-----
>From: megaraidlinux.pdl@broadcom.com
>[mailto:megaraidlinux.pdl@broadcom.com] On Behalf Of Andi Kleen
>Sent: Wednesday, March 15, 2017 7:45 AM
>To: akpm@linux-foundation.org
>Cc: linux-kernel@vger.kernel.org; Andi Kleen;
>megaraidlinux.pdl@broadcom.com
>Subject: [PATCH 6/7] megasas: Remove expensive inline from
>megasas_return_cmd
>
>From: Andi Kleen <ak@linux.intel.com>
>
>Remove an inline from a fairly big function that is used often.
>It's unlikely that calling or not calling it makes a lot of difference.
>
>Saves around 8k text in my kernel.
>
>   text    data     bss     dec     hex filename
>9047801 5367568 11116544        25531913        1859609
>vmlinux-before-megasas
>9039417 5367568 11116544        25523529        1857549 vmlinux-megasas
>
>Cc: megaraidlinux.pdl@broadcom.com
>Signed-off-by: Andi Kleen <ak@linux.intel.com>
>---
> drivers/scsi/megaraid/megaraid_sas_base.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
>diff --git a/drivers/scsi/megaraid/megaraid_sas_base.c
>b/drivers/scsi/megaraid/megaraid_sas_base.c
>index 7ac9a9ee9bd4..55b71de3fb1f 100644
>--- a/drivers/scsi/megaraid/megaraid_sas_base.c
>+++ b/drivers/scsi/megaraid/megaraid_sas_base.c
>@@ -244,7 +244,7 @@ struct megasas_cmd *megasas_get_cmd(struct
>megasas_instance
>  * @instance:		Adapter soft state
>  * @cmd:		Command packet to be returned to free command pool
>  */
>-inline void
>+void
> megasas_return_cmd(struct megasas_instance *instance, struct megasas_cmd
>*cmd)  {
> 	unsigned long flags;

Acked-by: Sumit Saxena <sumit.saxena@broadcom.com>

>--
>2.9.3
>

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