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- Log ----------------------------------------------------------------- commit 9d4e63229159a9e982774b04f1b3a5d651d62ab4 Author: Arne Fitzenreiter arne_f@ipfire.org Date: Sat Oct 16 12:12:31 2010 +0200

Add a patch for speedup cache writeback.

commit 54f4a62c064ecda0db205053ed1a0a1ea66f2ba4 Author: Arne Fitzenreiter arne_f@ipfire.org Date: Sat Oct 16 12:09:46 2010 +0200

Add cpio and ldd to core update. Dracut need this.

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Summary of changes: config/rootfiles/core/test/filelists/cpio | 1 + config/rootfiles/core/test/filelists/files | 1 + lfs/linux | 3 ++ lfs/linux-pae | 3 ++ ...-2.6-vmscan_remove_wait_on_page_writeback.patch | 37 ++++++++++++++++++++ 5 files changed, 45 insertions(+), 0 deletions(-) create mode 120000 config/rootfiles/core/test/filelists/cpio create mode 100644 src/patches/linux-2.6-vmscan_remove_wait_on_page_writeback.patch

Difference in files: diff --git a/config/rootfiles/core/test/filelists/cpio b/config/rootfiles/core/test/filelists/cpio new file mode 120000 index 0000000..fbab21a --- /dev/null +++ b/config/rootfiles/core/test/filelists/cpio @@ -0,0 +1 @@ +../../../common/cpio \ No newline at end of file diff --git a/config/rootfiles/core/test/filelists/files b/config/rootfiles/core/test/filelists/files index d7ed8ab..2a6d23b 100644 --- a/config/rootfiles/core/test/filelists/files +++ b/config/rootfiles/core/test/filelists/files @@ -4,3 +4,4 @@ etc/rc.d/init.d/squid srv/web/ipfire/cgi-bin/proxy.cgi srv/web/ipfire/cgi-bin/speed.cgi usr/local/bin/rebuild-initrd +usr/bin/ldd diff --git a/lfs/linux b/lfs/linux index 4e465bb..2955ac6 100644 --- a/lfs/linux +++ b/lfs/linux @@ -131,6 +131,9 @@ endif # Reiser4 (don't check if fail (some patches are already in xen patchset) -cd $(DIR_APP) && bzcat $(DIR_DL)/reiser4-for-2.6.32.patch.bz2 | patch -Np1

+ # Fix lag's at cache access (eg. quit of mc) + cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/linux-2.6-vmscan_remove_wait_on_page_writeback.patch + # ipp2p 0.8.2-pomng cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/linux-2.6.32.8-ipp2p-0.8.2-pomng.patch

diff --git a/lfs/linux-pae b/lfs/linux-pae index cbaeefe..d71a0cf 100644 --- a/lfs/linux-pae +++ b/lfs/linux-pae @@ -23,6 +23,9 @@ ###############################################################################

include Config + +VER = kernel + include linux

PROG = linux-pae diff --git a/src/patches/linux-2.6-vmscan_remove_wait_on_page_writeback.patch b/src/patches/linux-2.6-vmscan_remove_wait_on_page_writeback.patch new file mode 100644 index 0000000..02e9cd1 --- /dev/null +++ b/src/patches/linux-2.6-vmscan_remove_wait_on_page_writeback.patch @@ -0,0 +1,37 @@ +--- linux-next.orig/mm/vmscan.c 2010-07-28 16:22:21.000000000 +0800 ++++ linux-next/mm/vmscan.c 2010-07-28 16:23:35.000000000 +0800 +@@ -324,8 +324,7 @@ typedef enum { + * pageout is called by shrink_page_list() for each dirty page. + * Calls ->writepage(). + */ +-static pageout_t pageout(struct page *page, struct address_space *mapping, +- enum pageout_io sync_writeback) ++static pageout_t pageout(struct page *page, struct address_space *mapping) + { + /* + * If the page is dirty, only perform writeback if that write +@@ -384,14 +383,6 @@ static pageout_t pageout(struct page *pa + return PAGE_ACTIVATE; + } + +- /* +- * Wait on writeback if requested to. This happens when +- * direct reclaiming a large contiguous area and the +- * first attempt to free a range of pages fails. +- */ +- if (PageWriteback(page) && sync_writeback == PAGEOUT_IO_SYNC) +- wait_on_page_writeback(page); +- + if (!PageWriteback(page)) { + /* synchronous write or broken a_ops? */ + ClearPageReclaim(page); +@@ -727,7 +718,7 @@ static unsigned long shrink_page_list(st + goto keep_locked; + + /* Page is dirty, try to write it out here */ +- switch (pageout(page, mapping, sync_writeback)) { ++ switch (pageout(page, mapping)) { + case PAGE_KEEP: + goto keep_locked; + case PAGE_ACTIVATE: +

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