| commit | aa283f49276e7d840a40fb01eee6de97eaa7e012 | [log] [tgz] |
|---|---|---|
| author | Suresh Siddha <suresh.b.siddha@intel.com> | Mon Mar 10 15:28:05 2008 -0700 |
| committer | Ingo Molnar <mingo@elte.hu> | Sat Apr 19 19:19:55 2008 +0200 |
| tree | b17b134b174666e482b1a8ad486436a3d5cdb83e | |
| parent | 61c4628b538608c1a85211ed8438136adfeb9a95 [diff] |
x86, fpu: lazy allocation of FPU area - v5 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. for example: on my system after boot, there are around 300 processes, with only 17 using FPU. Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com> Cc: Arjan van de Ven <arjan@linux.intel.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>