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authorMitchel Humpherys <mitchelh@codeaurora.org>2014-06-06 14:38:30 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2014-06-06 16:08:18 -0700
commitb1de0d139c97a6078bbada6cf2d27c30ce127a97 (patch)
tree3b318e167b70e14d73278c213e3e5e4e89566773
parentb3fe92b03dd69261f931fe4463d9358e5077e1dc (diff)
downloadop-kernel-dev-b1de0d139c97a6078bbada6cf2d27c30ce127a97.zip
op-kernel-dev-b1de0d139c97a6078bbada6cf2d27c30ce127a97.tar.gz
mm: convert some level-less printks to pr_*
printk is meant to be used with an associated log level. There are some instances of printk scattered around the mm code where the log level is missing. Add a log level and adhere to suggestions by scripts/checkpatch.pl by moving to the pr_* macros. Also add the typical pr_fmt definition so that print statements can be easily traced back to the modules where they occur, correlated one with another, etc. This will require the removal of some (now redundant) prefixes on a few print statements. Signed-off-by: Mitchel Humpherys <mitchelh@codeaurora.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
-rw-r--r--block/bounce.c7
-rw-r--r--mm/mempolicy.c5
-rw-r--r--mm/mmap.c21
-rw-r--r--mm/nommu.c5
-rw-r--r--mm/vmscan.c5
5 files changed, 29 insertions, 14 deletions
diff --git a/block/bounce.c b/block/bounce.c
index 523918b..ab21ba2 100644
--- a/block/bounce.c
+++ b/block/bounce.c
@@ -3,6 +3,8 @@
* - Split from highmem.c
*/
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
#include <linux/mm.h>
#include <linux/export.h>
#include <linux/swap.h>
@@ -15,6 +17,7 @@
#include <linux/hash.h>
#include <linux/highmem.h>
#include <linux/bootmem.h>
+#include <linux/printk.h>
#include <asm/tlbflush.h>
#include <trace/events/block.h>
@@ -34,7 +37,7 @@ static __init int init_emergency_pool(void)
page_pool = mempool_create_page_pool(POOL_SIZE, 0);
BUG_ON(!page_pool);
- printk("bounce pool size: %d pages\n", POOL_SIZE);
+ pr_info("pool size: %d pages\n", POOL_SIZE);
return 0;
}
@@ -86,7 +89,7 @@ int init_emergency_isa_pool(void)
mempool_free_pages, (void *) 0);
BUG_ON(!isa_page_pool);
- printk("isa bounce pool size: %d pages\n", ISA_POOL_SIZE);
+ pr_info("isa pool size: %d pages\n", ISA_POOL_SIZE);
return 0;
}
diff --git a/mm/mempolicy.c b/mm/mempolicy.c
index 16bc9fa..1c16c22 100644
--- a/mm/mempolicy.c
+++ b/mm/mempolicy.c
@@ -65,6 +65,8 @@
kernel is not always grateful with that.
*/
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
#include <linux/mempolicy.h>
#include <linux/mm.h>
#include <linux/highmem.h>
@@ -91,6 +93,7 @@
#include <linux/ctype.h>
#include <linux/mm_inline.h>
#include <linux/mmu_notifier.h>
+#include <linux/printk.h>
#include <asm/tlbflush.h>
#include <asm/uaccess.h>
@@ -2645,7 +2648,7 @@ void __init numa_policy_init(void)
node_set(prefer, interleave_nodes);
if (do_set_mempolicy(MPOL_INTERLEAVE, 0, &interleave_nodes))
- printk("numa_policy_init: interleaving failed\n");
+ pr_err("%s: interleaving failed\n", __func__);
check_numabalancing_enable();
}
diff --git a/mm/mmap.c b/mm/mmap.c
index ced5efc..129b847 100644
--- a/mm/mmap.c
+++ b/mm/mmap.c
@@ -6,6 +6,8 @@
* Address space accounting code <alan@lxorguk.ukuu.org.uk>
*/
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
#include <linux/kernel.h>
#include <linux/slab.h>
#include <linux/backing-dev.h>
@@ -37,6 +39,7 @@
#include <linux/sched/sysctl.h>
#include <linux/notifier.h>
#include <linux/memory.h>
+#include <linux/printk.h>
#include <asm/uaccess.h>
#include <asm/cacheflush.h>
@@ -361,20 +364,20 @@ static int browse_rb(struct rb_root *root)
struct vm_area_struct *vma;
vma = rb_entry(nd, struct vm_area_struct, vm_rb);
if (vma->vm_start < prev) {
- printk("vm_start %lx prev %lx\n", vma->vm_start, prev);
+ pr_info("vm_start %lx prev %lx\n", vma->vm_start, prev);
bug = 1;
}
if (vma->vm_start < pend) {
- printk("vm_start %lx pend %lx\n", vma->vm_start, pend);
+ pr_info("vm_start %lx pend %lx\n", vma->vm_start, pend);
bug = 1;
}
if (vma->vm_start > vma->vm_end) {
- printk("vm_end %lx < vm_start %lx\n",
+ pr_info("vm_end %lx < vm_start %lx\n",
vma->vm_end, vma->vm_start);
bug = 1;
}
if (vma->rb_subtree_gap != vma_compute_subtree_gap(vma)) {
- printk("free gap %lx, correct %lx\n",
+ pr_info("free gap %lx, correct %lx\n",
vma->rb_subtree_gap,
vma_compute_subtree_gap(vma));
bug = 1;
@@ -388,7 +391,7 @@ static int browse_rb(struct rb_root *root)
for (nd = pn; nd; nd = rb_prev(nd))
j++;
if (i != j) {
- printk("backwards %d, forwards %d\n", j, i);
+ pr_info("backwards %d, forwards %d\n", j, i);
bug = 1;
}
return bug ? -1 : i;
@@ -423,17 +426,17 @@ static void validate_mm(struct mm_struct *mm)
i++;
}
if (i != mm->map_count) {
- printk("map_count %d vm_next %d\n", mm->map_count, i);
+ pr_info("map_count %d vm_next %d\n", mm->map_count, i);
bug = 1;
}
if (highest_address != mm->highest_vm_end) {
- printk("mm->highest_vm_end %lx, found %lx\n",
+ pr_info("mm->highest_vm_end %lx, found %lx\n",
mm->highest_vm_end, highest_address);
bug = 1;
}
i = browse_rb(&mm->mm_rb);
if (i != mm->map_count) {
- printk("map_count %d rb %d\n", mm->map_count, i);
+ pr_info("map_count %d rb %d\n", mm->map_count, i);
bug = 1;
}
BUG_ON(bug);
@@ -3280,7 +3283,7 @@ static struct notifier_block reserve_mem_nb = {
static int __meminit init_reserve_notifier(void)
{
if (register_hotmemory_notifier(&reserve_mem_nb))
- printk("Failed registering memory add/remove notifier for admin reserve");
+ pr_err("Failed registering memory add/remove notifier for admin reserve\n");
return 0;
}
diff --git a/mm/nommu.c b/mm/nommu.c
index 85f8d66..b78e3a8 100644
--- a/mm/nommu.c
+++ b/mm/nommu.c
@@ -13,6 +13,8 @@
* Copyright (c) 2007-2010 Paul Mundt <lethal@linux-sh.org>
*/
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
#include <linux/export.h>
#include <linux/mm.h>
#include <linux/vmacache.h>
@@ -32,6 +34,7 @@
#include <linux/syscalls.h>
#include <linux/audit.h>
#include <linux/sched/sysctl.h>
+#include <linux/printk.h>
#include <asm/uaccess.h>
#include <asm/tlb.h>
@@ -1246,7 +1249,7 @@ error_free:
return ret;
enomem:
- printk("Allocation of length %lu from process %d (%s) failed\n",
+ pr_err("Allocation of length %lu from process %d (%s) failed\n",
len, current->pid, current->comm);
show_free_areas(0);
return -ENOMEM;
diff --git a/mm/vmscan.c b/mm/vmscan.c
index f44476a..71f23c0c 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -11,6 +11,8 @@
* Multiqueue VM started 5.8.00, Rik van Riel.
*/
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
#include <linux/mm.h>
#include <linux/module.h>
#include <linux/gfp.h>
@@ -43,6 +45,7 @@
#include <linux/sysctl.h>
#include <linux/oom.h>
#include <linux/prefetch.h>
+#include <linux/printk.h>
#include <asm/tlbflush.h>
#include <asm/div64.h>
@@ -480,7 +483,7 @@ static pageout_t pageout(struct page *page, struct address_space *mapping,
if (page_has_private(page)) {
if (try_to_free_buffers(page)) {
ClearPageDirty(page);
- printk("%s: orphaned page\n", __func__);
+ pr_info("%s: orphaned page\n", __func__);
return PAGE_CLEAN;
}
}
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