Re: de-modularising for the win!

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Kyle McMartin wrote:
On Fri, Oct 03, 2008 at 11:25:49AM -0400, Peter Jones wrote:
Bill Nottingham wrote:
See various and sundry plumber's conf discussions.

Comments? (The netfilter stuff needs further investigation.)
Also, please add these, since they're nearly always loaded (patch is on
top of yours):

diff --git a/config-generic b/config-generic
index 0f43c42..de33831 100644
--- a/config-generic
+++ b/config-generic
@@ -640,14 +640,14 @@ CONFIG_BLK_DEV_DM=y
 CONFIG_DM_CRYPT=m
 CONFIG_DM_DEBUG=y
 # CONFIG_DM_DELAY is not set
-CONFIG_DM_MIRROR=m
+CONFIG_DM_MIRROR=y
 CONFIG_DM_MULTIPATH=m
 CONFIG_DM_MULTIPATH_EMC=m
 CONFIG_DM_MULTIPATH_HP=m
 CONFIG_DM_MULTIPATH_RDAC=m
-CONFIG_DM_SNAPSHOT=m
+CONFIG_DM_SNAPSHOT=y
 CONFIG_DM_UEVENT=y
-CONFIG_DM_ZERO=m
+CONFIG_DM_ZERO=y


Not that I object to this or anything of the sort, but it would be nice
if when people were asking for things to be built-in, to see the size
difference on vmlinux on a Fedora build with it enabled.

Well, I haven't done a build (on a slow laptop right now) but these modules don't have anything funny going wrt compiling differently when modular. So that means:

-rwxr--r-- 1 root root  25K 2008-09-23 21:38 dm-mirror.ko
-rwxr--r-- 1 root root  25K 2008-09-23 21:38 dm-snapshot.ko
-rwxr--r-- 1 root root 7.0K 2008-09-23 21:38 dm-zero.ko

57kB or so max. But at the same time, these are loaded on nearly every Fedora system, and loaded as modules they're taking up at least 64kB .

--
  Peter

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