2.6.37-next problems with fs dcache patches.

Wish I was able to bisect this down better, but a number of steps in the bisect had to be skipped, this series is *not* bisect-clean. Sorry I didn't do this earlier, but I got detoured chasing the mlockall() issue which originally looked like the ...

Message posted on the December 22nd, 2010 - 2:50 PM ET

[PATCH v2 0/4] dcache: make dcache more scalable on large system

Change log: v1->v2 - Include performance improvement in the AIM7 benchmark results because of this patch. - Modify dget_parent() to avoid taking the lock, if possible, to further improve AIM7 benchmark results. During some perf-record sessions ...

Message posted on the April 5th, 2013 - 1:00 PM ET

[PATCH 00/46] rcu-walk and dcache scaling

git://git.kernel.org/pub/scm/linux/kernel/git/npiggin/linux-npiggin.git vfs-scale-working Here is an new set of vfs patches for review, not that there was much interest last time they were posted. It is structured like: * preparation patches * ...

Message posted on the November 27th, 2010 - 5:40 AM ET

[PATCH 0/4] dcache: make Oracle more scalable on large systems

It was found that the Oracle database software issues a lot of call to the seq_path() kernel function which translates a (dentry, mnt) pair to an absolute path. The seq_path() function will eventually take the following two locks: 1. ...

Message posted on the February 19th, 2013 - 2:00 PM ET

[PATCH 0/4] Per-superblock dcache limitation

Hello, Now that we've got per-sb dcache lru lists, I am proposing through theses patches that each of those be size-limited. The main use case I am targetting is containers, where we want a container not to use more than a certain specified amount ...

Message posted on the July 29th, 2011 - 9:50 AM ET

rcu-walk and dcache scaling tree update and status

The vfs-scale branch has had some progress, but it is now requiring wider testing and detailed review, particularly of the fine details of dcache_lock lifting, and rcu-walk synchronisation details and documentation. Linus has suggested pretty ...

Message posted on the December 12th, 2010 - 9:40 PM ET

[git pull] vfs and fs patches for 3.1, part 1

Please, pull from git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6.git/ for-linus The big ones in that are * ->permission() API change (death to separate boolean argument, death to generic_permission() check_acl callback, death to ...

Message posted on the July 22nd, 2011 - 8:10 PM ET

[patch 00/28] [rfc] dcache scaling part 1

There are 3 main parts to dcache scaling. This one primarily adds new locks to take over dcache_lock, and some pre/post prep and streamlining patches. The second implements fine grained locking, and is rather trivial after part 1. The third ...

Message posted on the November 16th, 2010 - 9:30 AM ET

Make RCU dcache work with CONFIG_SECURITY=y

We found that all .38+ kernels with CONFIG_SECURITY just enables -- but not even any security module active -- are slower than .37. And also they don't really scale on larger machines. CONFIG_SECURITY is a quite common configuration, so this was ...

Message posted on the April 21st, 2011 - 8:30 PM ET

[PATCH 0/7] dcache fixes and cleanups

Al, Could you please add these patches to your vfs queue? Thanks, Miklos To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at ...

Message posted on the August 10th, 2010 - 5:50 AM ET

[PATCH 0/7] dcache fixes and cleanups

Al, Could you please add these patches to your vfs queue? Thanks, Miklos To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at ...

Message posted on the August 2nd, 2010 - 7:30 AM ET

[RFC][PATCH 00/73] Union Mount [ver #2]

Here's the current state of the unionmount patches. Significant changes made include: (1) Brought up to date with the current changes in the VFS (eg. RCU pathwalk, mount/vfsmount struct split). (2) Moved the copy-up for namei metadata syscalls ...

Message posted on the February 21st, 2012 - 1:00 PM ET

[RFC, PATCH 00/19] Numa aware LRU lists and shrinkers

Hi Glauber, Here's a working version of my patchset for generic LRU lists and NUMA-aware shrinkers. There are several parts to this patch set. The NUMA aware shrinkers are based on having a generic node-based LRU list implementation, and there are ...

Message posted on the November 27th, 2012 - 6:30 PM ET

[PATCH v4 00/10, REBASED] Introduce huge zero page

From: "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com> Hi, Andrew, here's huge zero page patchset rebased to v3.7-rc1. Andrea, I've dropped your Reviewed-by due not-so-trivial conflicts in during rebase. Could you look ...

Message posted on the October 15th, 2012 - 2:10 AM ET