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x86: convert cpuinfo_x86 array to a per_cpu array

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cpu_data is currently an array defined using NR_CPUS.  This means that
we overallocate since we will rarely really use maximum configured cpus.
When NR_CPU count is raised to 4096 the size of cpu_data becomes
3,145,728 bytes.

These changes were adopted from the sparc64 (and ia64) code.  An
additional field was added to cpuinfo_x86 to be a non-ambiguous cpu
index.  This corresponds to the index into a cpumask_t as well as the
per_cpu index.  It's used in various places like show_cpuinfo().

cpu_data is defined to be the boot_cpu_data structure for the NON-SMP
case.

Signed-off-by: Mike Travis <[email protected]>
Acked-by: Christoph Lameter <[email protected]>
Cc: Andi Kleen <[email protected]>
Cc: James Bottomley <[email protected]>
Cc: Dmitry Torokhov <[email protected]>
Cc: "Antonino A. Daplas" <[email protected]>
Cc: Mark M. Hoffman <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Ingo Molnar <[email protected]>
Signed-off-by: Thomas Gleixner <[email protected]>
This commit is contained in:
Mike Travis 2007-10-19 20:35:04 +02:00 • committed by Thomas Gleixner
commit 92cb7612ae
39 changed files with 148 additions and 128 deletions
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2
drivers/video/geode/video_gx.c
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@ -127,7 +127,7 @@ static void gx_set_dclk_frequency(struct fb_info *info)
int timeout = 1000;
/* Rev. 1 Geode GXs use a 14 MHz reference clock instead of 48 MHz. */
if (cpu_data->x86_mask == 1) {
if (cpu_data(0).x86_mask == 1) {
pll_table = gx_pll_table_14MHz;
pll_table_len = ARRAY_SIZE(gx_pll_table_14MHz);
} else {