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| author | Christoph Lameter <clameter@sgi.com> | 2007-07-21 17:10:30 +0200 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-07-22 03:37:09 +0200 |
| commit | 34feb2c83beb3bdf13535a36770f7e50b47ef299 (patch) | |
| tree | 4abc3b0fe31495315f414677dcb5198967caa333 /arch/x86_64/kernel/process.c | |
| parent | i386: timer_irq_works() static again (diff) | |
| download | linux-34feb2c83beb3bdf13535a36770f7e50b47ef299.tar.xz linux-34feb2c83beb3bdf13535a36770f7e50b47ef299.zip | |
x86_64: Quicklist support for x86_64
This adds caching of pgds and puds, pmds, pte. That way we can avoid costly
zeroing and initialization of special mappings in the pgd.
A second quicklist is useful to separate out PGD handling. We can carry the
initialized pgds over to the next process needing them.
Also clean up the pgd_list handling to use regular list macros. There is no
need anymore to avoid the lru field.
Move the add/removal of the pgds to the pgdlist into the constructor /
destructor. That way the implementation is congruent with i386.
Signed-off-by: Christoph Lameter <clameter@sgi.com>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: "Luck, Tony" <tony.luck@intel.com>
Acked-by: William Lee Irwin III <wli@holomorphy.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/x86_64/kernel/process.c')
| -rw-r--r-- | arch/x86_64/kernel/process.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/x86_64/kernel/process.c b/arch/x86_64/kernel/process.c index 5909039f37aa..180f4c0fcbc4 100644 --- a/arch/x86_64/kernel/process.c +++ b/arch/x86_64/kernel/process.c @@ -207,6 +207,7 @@ void cpu_idle (void) if (__get_cpu_var(cpu_idle_state)) __get_cpu_var(cpu_idle_state) = 0; + check_pgt_cache(); rmb(); idle = pm_idle; if (!idle) |