From: Johannes Berg <johannes@sipsolutions.net>
To: Colin King <colin.king@canonical.com>,
Stanislaw Gruszka <sgruszka@redhat.com>,
Kalle Valo <kvalo@codeaurora.org>,
linux-wireless@vger.kernel.org, netdev@vger.kernel.org
Cc: kernel-janitors@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] wireless: iwlegacy: make const array static to shink object code size Content-Type: tex
Date: Fri, 22 Sep 2017 06:00:29 +0000 [thread overview]
Message-ID: <1506060029.2048.9.camel@sipsolutions.net> (raw)
In-Reply-To: <20170921225630.21916-1-colin.king@canonical.com> (sfid-20170922_005652_800251_1E085F58)
On Thu, 2017-09-21 at 23:56 +0100, Colin King wrote:
> From: Colin Ian King <colin.king@canonical.com>
>
> Don't populate const array ac_to_fifo on the stack in an inlined
> function, instead make it static. Makes the object code smaller
> by over 800 bytes:
>
> text data bss dec hex
> filename
> 159029 33154 1216 193399 2f377
> 4965-mac.o
>
> text data bss dec hex
> filename
> 158122 33250 1216 192588 2f04c
> 4965-mac.o
>
> (gcc version 7.2.0 x86_64)
I'm curious - how did you find this?
johannes
WARNING: multiple messages have this Message-ID (diff)
From: Johannes Berg <johannes@sipsolutions.net>
To: Colin King <colin.king@canonical.com>,
Stanislaw Gruszka <sgruszka@redhat.com>,
Kalle Valo <kvalo@codeaurora.org>,
linux-wireless@vger.kernel.org, netdev@vger.kernel.org
Cc: kernel-janitors@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] wireless: iwlegacy: make const array static to shink object code size Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit
Date: Fri, 22 Sep 2017 08:00:29 +0200 [thread overview]
Message-ID: <1506060029.2048.9.camel@sipsolutions.net> (raw)
In-Reply-To: <20170921225630.21916-1-colin.king@canonical.com> (sfid-20170922_005652_800251_1E085F58)
On Thu, 2017-09-21 at 23:56 +0100, Colin King wrote:
> From: Colin Ian King <colin.king@canonical.com>
>
> Don't populate const array ac_to_fifo on the stack in an inlined
> function, instead make it static. Makes the object code smaller
> by over 800 bytes:
>
> text data bss dec hex
> filename
> 159029 33154 1216 193399 2f377
> 4965-mac.o
>
> text data bss dec hex
> filename
> 158122 33250 1216 192588 2f04c
> 4965-mac.o
>
> (gcc version 7.2.0 x86_64)
I'm curious - how did you find this?
johannes
next prev parent reply other threads:[~2017-09-22 6:00 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-09-21 22:56 [PATCH] wireless: iwlegacy: make const array static to shink object code size Content-Type: text/pl Colin King
2017-09-21 22:56 ` [PATCH] wireless: iwlegacy: make const array static to shink object code size Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit Colin King
2017-09-22 6:00 ` Johannes Berg [this message]
2017-09-22 6:00 ` Johannes Berg
2017-09-22 7:23 ` [PATCH] wireless: iwlegacy: make const array static to shink object code size Content-Type: text Julia Lawall
2017-09-22 7:23 ` [PATCH] wireless: iwlegacy: make const array static to shink object code size Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit Julia Lawall
2017-09-22 10:03 ` [PATCH] wireless: iwlegacy: make const array static to shink object code size Content-Type: text Joe Perches
2017-09-22 10:03 ` [PATCH] wireless: iwlegacy: make const array static to shink object code size Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit Joe Perches
2017-09-22 10:05 ` [PATCH] wireless: iwlegacy: make const array static to shink object code size Content-Type: text Colin Ian King
2017-09-22 10:05 ` [PATCH] wireless: iwlegacy: make const array static to shink object code size Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit Colin Ian King
2017-09-22 10:06 ` [PATCH] wireless: iwlegacy: make const array static to shink object code size Content-Type: text Julia Lawall
2017-09-22 10:06 ` [PATCH] wireless: iwlegacy: make const array static to shink object code size Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit Julia Lawall
2017-09-22 10:46 ` [PATCH] wireless: iwlegacy: make const array static to shink object code size Content-Type: text Joe Perches
2017-09-22 10:46 ` [PATCH] wireless: iwlegacy: make const array static to shink object code size Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit Joe Perches
2017-09-22 10:54 ` [PATCH] wireless: iwlegacy: make const array static to shink object code size Content-Type: text Julia Lawall
2017-09-22 10:54 ` [PATCH] wireless: iwlegacy: make const array static to shink object code size Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit Julia Lawall
2017-09-22 9:56 ` [PATCH] wireless: iwlegacy: make const array static to shink object code size Content-Type: tex Stanislaw Gruszka
2017-09-22 9:56 ` [PATCH] wireless: iwlegacy: make const array static to shink object code size Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit Stanislaw Gruszka
2017-09-22 10:32 ` [PATCH] wireless: iwlegacy: make const array static to shink object code size Content-Type: tex Kalle Valo
2017-09-22 10:32 ` [PATCH] wireless: iwlegacy: make const array static to shink object code size Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit Kalle Valo
2017-09-25 8:29 ` iwlegacy: make const array static to shink object code size Kalle Valo
2017-09-25 8:29 ` Kalle Valo
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