diff options
-rw-r--r-- | arch/powerpc/platforms/pseries/setup.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/arch/powerpc/platforms/pseries/setup.c b/arch/powerpc/platforms/pseries/setup.c index 00072414908..6c42cfde841 100644 --- a/arch/powerpc/platforms/pseries/setup.c +++ b/arch/powerpc/platforms/pseries/setup.c | |||
@@ -287,14 +287,22 @@ static int alloc_dispatch_logs(void) | |||
287 | int cpu, ret; | 287 | int cpu, ret; |
288 | struct paca_struct *pp; | 288 | struct paca_struct *pp; |
289 | struct dtl_entry *dtl; | 289 | struct dtl_entry *dtl; |
290 | struct kmem_cache *dtl_cache; | ||
290 | 291 | ||
291 | if (!firmware_has_feature(FW_FEATURE_SPLPAR)) | 292 | if (!firmware_has_feature(FW_FEATURE_SPLPAR)) |
292 | return 0; | 293 | return 0; |
293 | 294 | ||
295 | dtl_cache = kmem_cache_create("dtl", DISPATCH_LOG_BYTES, | ||
296 | DISPATCH_LOG_BYTES, 0, NULL); | ||
297 | if (!dtl_cache) { | ||
298 | pr_warn("Failed to create dispatch trace log buffer cache\n"); | ||
299 | pr_warn("Stolen time statistics will be unreliable\n"); | ||
300 | return 0; | ||
301 | } | ||
302 | |||
294 | for_each_possible_cpu(cpu) { | 303 | for_each_possible_cpu(cpu) { |
295 | pp = &paca[cpu]; | 304 | pp = &paca[cpu]; |
296 | dtl = kmalloc_node(DISPATCH_LOG_BYTES, GFP_KERNEL, | 305 | dtl = kmem_cache_alloc(dtl_cache, GFP_KERNEL); |
297 | cpu_to_node(cpu)); | ||
298 | if (!dtl) { | 306 | if (!dtl) { |
299 | pr_warn("Failed to allocate dispatch trace log for cpu %d\n", | 307 | pr_warn("Failed to allocate dispatch trace log for cpu %d\n", |
300 | cpu); | 308 | cpu); |