From: "Peter Hüwe" <PeterHuewe@gmx.de>
To: Ingo Molnar <mingo@elte.hu>
Cc: Maksym Planeta <mcsim.planeta@gmail.com>,
mingo@redhat.com, kernel-janitors@vger.kernel.org,
namhyung@gmail.com, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2] x86: page: get_order() optimization
Date: Sun, 27 Mar 2011 16:22:22 +0000 [thread overview]
Message-ID: <201103271822.22851.PeterHuewe@gmx.de> (raw)
In-Reply-To: <20110327113323.GA27825@elte.hu>
Am Sonntag 27 März 2011, 13:33:23 schrieb Ingo Molnar:
>
> Just wondering, what's the before/after 'size vmlinux' effect on a 'make
> defconfig' x86 kernel? Does the optimization make the kernel smaller as
> well, besides making it faster?
>
> Thanks,
>
> Ingo
Hi,
I compiled Linus' Tree (40471856) on my x86_64 machine, once without the patch
and once with the patch.
size vmlinux-with*
text data bss dec hex filename
7996901 1236036 1118208 10351145 9df229 vmlinux-withoutpatch
7996554 1235988 1118208 10350750 9df09e vmlinux-withpatch
ls -la vmlinux-with*
-rwxr-xr-x 1 peter users 18921237 27. Mär 17:40 vmlinux-withoutpatch
-rwxr-xr-x 1 peter users 18921333 27. Mär 17:58 vmlinux-withpatch
Peter
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WARNING: multiple messages have this Message-ID (diff)
From: "Peter Hüwe" <PeterHuewe@gmx.de>
To: Ingo Molnar <mingo@elte.hu>
Cc: Maksym Planeta <mcsim.planeta@gmail.com>,
mingo@redhat.com, kernel-janitors@vger.kernel.org,
namhyung@gmail.com, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2] x86: page: get_order() optimization
Date: Sun, 27 Mar 2011 18:22:22 +0200 [thread overview]
Message-ID: <201103271822.22851.PeterHuewe@gmx.de> (raw)
In-Reply-To: <20110327113323.GA27825@elte.hu>
Am Sonntag 27 März 2011, 13:33:23 schrieb Ingo Molnar:
>
> Just wondering, what's the before/after 'size vmlinux' effect on a 'make
> defconfig' x86 kernel? Does the optimization make the kernel smaller as
> well, besides making it faster?
>
> Thanks,
>
> Ingo
Hi,
I compiled Linus' Tree (40471856) on my x86_64 machine, once without the patch
and once with the patch.
size vmlinux-with*
text data bss dec hex filename
7996901 1236036 1118208 10351145 9df229 vmlinux-withoutpatch
7996554 1235988 1118208 10350750 9df09e vmlinux-withpatch
ls -la vmlinux-with*
-rwxr-xr-x 1 peter users 18921237 27. Mär 17:40 vmlinux-withoutpatch
-rwxr-xr-x 1 peter users 18921333 27. Mär 17:58 vmlinux-withpatch
Peter
next prev parent reply other threads:[~2011-03-27 16:22 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-03-27 8:45 [PATCH v2] x86: page: get_order() optimization Maksym Planeta
2011-03-27 8:45 ` Maksym Planeta
2011-03-27 11:33 ` Ingo Molnar
2011-03-27 11:33 ` Ingo Molnar
2011-03-27 16:22 ` Peter Hüwe [this message]
2011-03-27 16:22 ` Peter Hüwe
2011-03-27 17:15 ` Maksym Planeta
2011-03-27 17:15 ` Maksym Planeta
2011-03-28 5:08 ` Ingo Molnar
2011-03-28 5:08 ` Ingo Molnar
2011-03-28 19:33 ` Maksym Planeta
2011-03-28 19:33 ` Maksym Planeta
2011-03-28 19:44 ` H. Peter Anvin
2011-03-28 19:44 ` H. Peter Anvin
2011-04-01 14:08 ` Maksym Planeta
2011-04-01 14:08 ` Maksym Planeta
2011-03-28 19:47 ` H. Peter Anvin
2011-03-28 19:47 ` H. Peter Anvin
2011-03-29 7:27 ` Ingo Molnar
2011-03-29 7:27 ` Ingo Molnar
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