kernel-ark/arch/ia64/mm
Huang, Xiaolan 839052d27e [IA64] fix personality(PER_LINUX32) performance issue
The patch aims to fix a performance issue for the syscall
personality(PER_LINUX32).

On IA-64 box, the syscall personality (PER_LINUX32) has poor performance
because it failed to find the Linux/x86 execution domain. Then it tried
to load the kernel module however it failed always and it used the default
execution domain PER_LINUX instead. Requesting kernel modules is very
expensive. It caused the performance issue. (see the function
lookup_exec_domain in kernel/exec_domain.c).

To resolve the issue, execution domain Linux/x86 is always registered in
initialization time for IA-64 architecture.

Signed-off-by: Xiaolan Huang <xiaolan.huang@intel.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
2008-05-15 09:54:19 -07:00
..
contig.c
discontig.c
extable.c
fault.c
hugetlbpage.c
init.c [IA64] fix personality(PER_LINUX32) performance issue 2008-05-15 09:54:19 -07:00
ioremap.c
Makefile
numa.c
tlb.c [IA64] bugfix: nptcg breaks cpu-hotadd 2008-04-29 13:47:45 -07:00