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[PATCH 0/10] mm/memcg: per-memcg per-zone lru locking
Here is my per-memcg per-zone LRU locking series, as promised last year. zone->lru_lock is a heavily contended lock, and we expect that splitting it across memcgs will show benefit on systems with many cpus. Sorry, no performance numbers ...
Message posted on the February 20th, 2012 - 6:30 PM ET
Inode Lock Scalability V6
This patch set is derived from Nick Piggin's VFS scalability tree. This is an attempt to push the process of finer grained review of the series for upstream inclusion. I'm hitting VFS lock contention problems with XFS on 8-16p machines now, so I ...
Message posted on the October 20th, 2010 - 9:00 PM ET
Inode Lock Scalability V5
Note: Version 5 is for a serious bug fix - the inode hash lookup and insertion is not atomic once the inode_lock is taken away. Details are in the change log. [ Nick, this bug is also in the vfs-scale tree.] This patch set is derived from Nick ...
Message posted on the October 18th, 2010 - 2:30 AM ET
Inode Lock Scalability V4
This patch set is derived from Nick Piggin's VFS scalability tree. there doesn't appear to be any push to get that tree into shape for .37, so this is an attempt to start the process of finer grained review of the series for upstream inclusion. I'm ...
Message posted on the October 16th, 2010 - 4:20 AM ET
[PATCH 0/9] Use RCU to stabilize page counts
include/linux/pagemap.h describes the protocol one should use to get pages from page cache - one can't know if the reference they get will be on the desired page, so newly allocated pages might see elevated reference counts, but using RCU this ...
Message posted on the August 19th, 2011 - 3:50 AM ET
fs: Inode cache scalability V3
This patch set is derived from Nick Piggin's VFS scalability tree. there doesn't appear to be any push to get that tree into shape for .37, so this is an attempt to start the process of finer grained review of the series for upstream inclusion. I'm ...
Message posted on the October 12th, 2010 - 8:20 PM ET
fs: Inode cache scalability V2
This patch set is derived from Nick Piggin's VFS scalability tree. there doesn't appear to be any push to get that tree into shape for .37, so this is an attempt to get finer grained review of the series for upstream inclusion. I'm hitting VFS lock ...
Message posted on the October 8th, 2010 - 1:30 AM ET
fs: break out inode operations from inode_lock V4
Hi Al, Another update to the inode_lock splitting patch set. It's still based on your merge-stem branch. I'm going to be out all weekend, so any further changes will take a couple of days to turn around. Version 4: - whitespace cleanup - moved ...
Message posted on the October 29th, 2010 - 5:10 AM ET