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Suresh Siddha aa283f4927 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>
2008-04-19 19:19:55 +02:00
..
alpha Generic semaphore implementation 2008-04-17 10:42:34 -04:00
arm Generic semaphore implementation 2008-04-17 10:42:34 -04:00
avr32 Generic semaphore implementation 2008-04-17 10:42:34 -04:00
blackfin Generic semaphore implementation 2008-04-17 10:42:34 -04:00
cris Generic semaphore implementation 2008-04-17 10:42:34 -04:00
frv Generic semaphore implementation 2008-04-17 10:42:34 -04:00
h8300 Generic semaphore implementation 2008-04-17 10:42:34 -04:00
ia64 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6.26 2008-04-18 18:02:35 -07:00
m32r Generic semaphore implementation 2008-04-17 10:42:34 -04:00
m68k Generic semaphore implementation 2008-04-17 10:42:34 -04:00
m68knommu Generic semaphore implementation 2008-04-17 10:42:34 -04:00
mips Generic semaphore implementation 2008-04-17 10:42:34 -04:00
mn10300 Generic semaphore implementation 2008-04-17 10:42:34 -04:00
parisc Generic semaphore implementation 2008-04-17 10:42:34 -04:00
powerpc Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6.26 2008-04-18 18:02:35 -07:00
ppc Merge git://git.kernel.org/pub/scm/linux/kernel/git/bart/ide-2.6 2008-04-18 08:39:24 -07:00
s390 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6.26 2008-04-18 18:02:35 -07:00
sh Generic semaphore implementation 2008-04-17 10:42:34 -04:00
sparc Generic semaphore implementation 2008-04-17 10:42:34 -04:00
sparc64 Generic semaphore implementation 2008-04-17 10:42:34 -04:00
um Generic semaphore implementation 2008-04-17 10:42:34 -04:00
v850 Generic semaphore implementation 2008-04-17 10:42:34 -04:00
x86 x86, fpu: lazy allocation of FPU area - v5 2008-04-19 19:19:55 +02:00
xtensa Generic semaphore implementation 2008-04-17 10:42:34 -04:00
.gitignore arch: Ignore arch/i386 and arch/x86_64 2008-01-19 21:29:39 -08:00
Kconfig Kprobes: indicate kretprobe support in Kconfig 2008-03-04 16:35:11 -08:00