mm: percpu: use pr_fmt to prefix output

Use the normal mechanism to make the logging output consistently
"percpu:" instead of a mix of "PERCPU:" and "percpu:"

Signed-off-by: Joe Perches <joe@perches.com>
Acked-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 11 insertions, 9 deletions

diff --git a/mm/percpu.c b/mm/percpu.c
index c987fd4d539d..0c59684f1ff2 100644
--- a/mm/percpu.c
+++ b/mm/percpu.c
@@ -53,6 +53,8 @@
  *   setup the first chunk containing the kernel static percpu area
  */
 
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
 #include <linux/bitmap.h>
 #include <linux/bootmem.h>
 #include <linux/err.h>
@@ -1033,11 +1035,11 @@ fail_unlock:
         spin_unlock_irqrestore(&pcpu_lock, flags);
 fail:
         if (!is_atomic && warn_limit) {
-                pr_warn("PERCPU: allocation failed, size=%zu align=%zu atomic=%d, %s\n",
+                pr_warn("allocation failed, size=%zu align=%zu atomic=%d, %s\n",
                         size, align, is_atomic, err);
                 dump_stack();
                 if (!--warn_limit)
-                        pr_info("PERCPU: limit reached, disable warning\n");
+                        pr_info("limit reached, disable warning\n");
         }
         if (is_atomic) {
                 /* see the flag handling in pcpu_blance_workfn() */
@@ -1538,8 +1540,8 @@ int __init pcpu_setup_first_chunk(const struct pcpu_alloc_info *ai,
 
 #define PCPU_SETUP_BUG_ON(cond) do {                                    \
         if (unlikely(cond)) {                                           \
-                pr_emerg("PERCPU: failed to initialize, %s", #cond);    \
-                pr_emerg("PERCPU: cpu_possible_mask=%*pb\n",            \
+                pr_emerg("failed to initialize, %s\n", #cond);          \
+                pr_emerg("cpu_possible_mask=%*pb\n",                    \
                          cpumask_pr_args(cpu_possible_mask));           \
                 pcpu_dump_alloc_info(KERN_EMERG, ai);                   \
                 BUG();                                                  \
@@ -1723,7 +1725,7 @@ static int __init percpu_alloc_setup(char *str)
                 pcpu_chosen_fc = PCPU_FC_PAGE;
 #endif
         else
-                pr_warn("PERCPU: unknown allocator %s specified\n", str);
+                pr_warn("unknown allocator %s specified\n", str);
 
         return 0;
 }
@@ -2016,7 +2018,7 @@ int __init pcpu_embed_first_chunk(size_t reserved_size, size_t dyn_size,
 
         /* warn if maximum distance is further than 75% of vmalloc space */
         if (max_distance > VMALLOC_TOTAL * 3 / 4) {
-                pr_warn("PERCPU: max_distance=0x%zx too large for vmalloc space 0x%lx\n",
+                pr_warn("max_distance=0x%zx too large for vmalloc space 0x%lx\n",
                         max_distance, VMALLOC_TOTAL);
 #ifdef CONFIG_NEED_PER_CPU_PAGE_FIRST_CHUNK
                 /* and fail if we have fallback */
@@ -2025,7 +2027,7 @@ int __init pcpu_embed_first_chunk(size_t reserved_size, size_t dyn_size,
 #endif
         }
 
-        pr_info("PERCPU: Embedded %zu pages/cpu @%p s%zu r%zu d%zu u%zu\n",
+        pr_info("Embedded %zu pages/cpu @%p s%zu r%zu d%zu u%zu\n",
                 PFN_DOWN(size_sum), base, ai->static_size, ai->reserved_size,
                 ai->dyn_size, ai->unit_size);
 
@@ -2099,7 +2101,7 @@ int __init pcpu_page_first_chunk(size_t reserved_size,
 
                         ptr = alloc_fn(cpu, PAGE_SIZE, PAGE_SIZE);
                         if (!ptr) {
-                                pr_warn("PERCPU: failed to allocate %s page for cpu%u\n",
+                                pr_warn("failed to allocate %s page for cpu%u\n",
                                         psize_str, cpu);
                                 goto enomem;
                         }
@@ -2139,7 +2141,7 @@ int __init pcpu_page_first_chunk(size_t reserved_size,
         }
 
         /* we're ready, commit */
-        pr_info("PERCPU: %d %s pages/cpu @%p s%zu r%zu d%zu\n",
+        pr_info("%d %s pages/cpu @%p s%zu r%zu d%zu\n",
                 unit_pages, psize_str, vm.addr, ai->static_size,
                 ai->reserved_size, ai->dyn_size);