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mm: percpu: use pr_fmt to prefix output

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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>
This commit is contained in:
Joe Perches 2016-03-17 14:19:53 -07:00 committed by Linus Torvalds
parent 1170532bb4
commit 870d4b12ad
2 changed files with 13 additions and 11 deletions
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4
mm/percpu-km.c
View File

@ -95,7 +95,7 @@ static int __init pcpu_verify_alloc_info(const struct pcpu_alloc_info *ai)
/* all units must be in a single group */
if (ai->nr_groups != 1) {
pr_crit("percpu: can't handle more than one groups\n");
pr_crit("can't handle more than one group\n");
return -EINVAL;
}
@ -103,7 +103,7 @@ static int __init pcpu_verify_alloc_info(const struct pcpu_alloc_info *ai)
alloc_pages = roundup_pow_of_two(nr_pages);
if (alloc_pages > nr_pages)
pr_warn("percpu: wasting %zu pages per chunk\n",
pr_warn("wasting %zu pages per chunk\n",
alloc_pages - nr_pages);
return 0;

20
mm/percpu.c
View File

@ -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 @@ static void __percpu *pcpu_alloc(size_t size, size_t align, bool reserved,
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);