Messages in this thread | | | Date | Thu, 20 Feb 2003 23:45:22 -0800 | From | Andrew Morton <> | Subject | Re: Strange performance change 59 -> 61/62 |
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"Martin J. Bligh" <mbligh@aracnet.com> wrote: > > Some more stats ... which look rather suspicious. 600% increase for > dentry_open and __mark_inode_dirty? Hmmmmm.
__mark_inode_dirty() just got itself an smp_mb(). Would be instructive to disable that.
dentry_open(): don't know - fs/open.c hasn't changed at all. Perhaps dcache_rcu has caused additional pingpong?
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