Revision: 6251
http://ipcop.svn.sourceforge.net/ipcop/?rev=6251&view=rev
Author: gespinasse
Date: 2012-01-21 16:15:54 +0000 (Sat, 21 Jan 2012)
Log Message:
-----------
Reduce memory requirement to compress the kernel with lzma from insane 674 MiB
to 38 MiB
Add --vv to show what lzma requirements are
This solve compilation on 512 MiB machines, should work too with 256 or 128 MiB
(untested)
Modified Paths:
--------------
ipcop/trunk/lfs/linux
Modified: ipcop/trunk/lfs/linux
===================================================================
--- ipcop/trunk/lfs/linux 2012-01-21 10:48:49 UTC (rev 6250)
+++ ipcop/trunk/lfs/linux 2012-01-21 16:15:54 UTC (rev 6251)
@@ -138,6 +138,13 @@
cd $(DIR_APP) && make clean
ifeq "$(MACHINE)" "i486"
+ # -9 require 674 MiB to compress a 3 MB file and is a nonsense.
+ # Remove -9 make us use default -6 that require 94 Mib to compress, 9
Mib to uncompress
+ # Setting dictionary size near uncompressed file size is enought to
give same resulting file,
+ # This help too to reduce memory requirement to 38 Mib to compress and
to 4 Mib to uncompress
+ # -vv just show the memory requirements
+ cd $(DIR_APP) && sed -i 's/lzma -9/lzma -vv --lzma1=dict=3MiB/'
scripts/Makefile.lib
+
cd $(DIR_APP) && make -j $(PARALLELISM) all
cd $(DIR_APP) && cp -f arch/x86/boot/bzImage /boot/vmlinuz-$(KVER)
cd $(DIR_APP) && cp -f System.map /boot/System.map-$(KVER)
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