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mm/debug.c: use pr_emerg()

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- s/KERN_ALERT/pr_emerg/: we're going BUG so let's maximize the changes
  of getting the message out.

- convert debug.c to pr_foo()

Cc: Sasha Levin <sasha.levin@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Andrew Morton 2014-10-09 15:28:41 -07:00 • committed by Linus Torvalds
parent 96dad67ff2
commit 7a82ca0d64
1 changed files with 9 additions and 12 deletions
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21
mm/debug.c
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@ -57,7 +57,7 @@ static void dump_flags(unsigned long flags,
unsigned long mask; unsigned long mask;
int i; int i;
printk(KERN_ALERT "flags: %#lx(", flags); pr_emerg("flags: %#lx(", flags);
/* remove zone id */ /* remove zone id */
flags &= (1UL << NR_PAGEFLAGS) - 1; flags &= (1UL << NR_PAGEFLAGS) - 1;
@ -69,24 +69,23 @@ static void dump_flags(unsigned long flags,
continue; continue;
flags &= ~mask; flags &= ~mask;
printk("%s%s", delim, names[i].name); pr_cont("%s%s", delim, names[i].name);
delim = "|"; delim = "|";
} }
/* check for left over flags */ /* check for left over flags */
if (flags) if (flags)
printk("%s%#lx", delim, flags); pr_cont("%s%#lx", delim, flags);
printk(")\n"); pr_cont(")\n");
} }
void dump_page_badflags(struct page *page, const char *reason, void dump_page_badflags(struct page *page, const char *reason,
unsigned long badflags) unsigned long badflags)
{ {
printk(KERN_ALERT pr_emerg("page:%p count:%d mapcount:%d mapping:%p index:%#lx\n",
"page:%p count:%d mapcount:%d mapping:%p index:%#lx\n", page, atomic_read(&page->_count), page_mapcount(page),
page, atomic_read(&page->_count), page_mapcount(page), page->mapping, page->index);
page->mapping, page->index);
BUILD_BUG_ON(ARRAY_SIZE(pageflag_names) != __NR_PAGEFLAGS); BUILD_BUG_ON(ARRAY_SIZE(pageflag_names) != __NR_PAGEFLAGS);
dump_flags(page->flags, pageflag_names, ARRAY_SIZE(pageflag_names)); dump_flags(page->flags, pageflag_names, ARRAY_SIZE(pageflag_names));
if (reason) if (reason)
@ -152,8 +151,7 @@ static const struct trace_print_flags vmaflags_names[] = {
void dump_vma(const struct vm_area_struct *vma) void dump_vma(const struct vm_area_struct *vma)
{ {
printk(KERN_ALERT pr_emerg("vma %p start %p end %p\n"
"vma %p start %p end %p\n"
"next %p prev %p mm %p\n" "next %p prev %p mm %p\n"
"prot %lx anon_vma %p vm_ops %p\n" "prot %lx anon_vma %p vm_ops %p\n"
"pgoff %lx file %p private_data %p\n", "pgoff %lx file %p private_data %p\n",
@ -168,8 +166,7 @@ EXPORT_SYMBOL(dump_vma);
void dump_mm(const struct mm_struct *mm) void dump_mm(const struct mm_struct *mm)
{ {
printk(KERN_ALERT pr_emerg("mm %p mmap %p seqnum %d task_size %lu\n"
"mm %p mmap %p seqnum %d task_size %lu\n"
#ifdef CONFIG_MMU #ifdef CONFIG_MMU
"get_unmapped_area %p\n" "get_unmapped_area %p\n"
#endif #endif