diff options
Diffstat (limited to 'kern/percpu.c')
| -rw-r--r-- | kern/percpu.c | 16 |
1 files changed, 11 insertions, 5 deletions
diff --git a/kern/percpu.c b/kern/percpu.c index aab9d064..9a0bdf31 100644 --- a/kern/percpu.c +++ b/kern/percpu.c @@ -30,6 +30,7 @@ void *percpu_areas[MAX_CPUS] __read_mostly; +static void *percpu_area_content __initdata; static size_t percpu_size __initdata; static int percpu_skip_warning __initdata; @@ -55,11 +56,10 @@ percpu_setup(void) va = vm_kmem_alloc(percpu_size); if (va == 0) - panic("percpu: unable to allocate percpu area for BSP"); + panic("percpu: unable to allocate memory for percpu area content"); - percpu_areas[0] = (void *)va; - memcpy(percpu_area(0), &_percpu, percpu_size); - cpu_fixup_bsp_percpu_area(); + percpu_area_content = (void *)va; + memcpy(percpu_area_content, &_percpu, percpu_size); } int __init @@ -93,8 +93,14 @@ percpu_add(unsigned int cpu) } percpu_areas[cpu] = (void *)va; - memcpy(percpu_area(cpu), &_percpu, percpu_size); + memcpy(percpu_area(cpu), percpu_area_content, percpu_size); out: return 0; } + +void +percpu_cleanup(void) +{ + vm_kmem_free((unsigned long)percpu_area_content, percpu_size); +} |