Re: [patch 2/2] x86, fpu: lazy allocation of FPU area - v3

From: Pavel Machek
Date: Thu Mar 06 2008 - 09:46:05 EST


On Mon 2008-03-03 15:02:46, Suresh Siddha wrote:
> Only allocate the FPU area when the application actually uses FPU, i.e., in the
> first lazy FPU trap. This could save memory for non-fpu using apps.

How many such apps are on your system, and how much does this
'optimalization' cost?

ISTR glibc always using FPU...?
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