Messages in this thread | | | Date | Wed, 22 Apr 2009 18:12:49 +0200 | From | michael <> | Subject | Re: [PATCH 1/3] IB/ehca: Replace vmalloc with kmalloc |
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Hi,
Stefan Roscher wrote: > On Wednesday 22 April 2009 04:10:18 pm michael wrote: > >> Hi, >> >> > > >> I don't take the point, if it is not import use the vmalloc. Why you try >> with a kmalloc >> alloc first? and why do not use kzalloc? >> > > Because kmalloc() is faster than vmalloc() causing a huge performance win > when someone allocates a large number of queue pairs. We fall back to > vmalloc() only if kmalloc() can't deliver the memory chunk. > Sorry I catch later the performace issue. > We don't need kzalloc because we fill the list right after the alloc. > > regards Stefan > Regards Michael > _______________________________________________ > Linuxppc-dev mailing list > Linuxppc-dev@ozlabs.org > https://ozlabs.org/mailman/listinfo/linuxppc-dev > >
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