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mm: use 'const char *' insted of 'char *' for reason in dump_page()

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I tried to use 'dump_page(page, __func__)' for debugging, but it triggers
warning:

  warning: passing argument 2 of `dump_page' discards `const' qualifier from pointer target type [enabled by default]

Let's convert 'reason' to 'const char *' in dump_page() and friends: we
shouldn't modify it anyway.

Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Kirill A. Shutemov 2014-04-07 15:37:38 -07:00 • committed by Linus Torvalds
parent 3643763834
commit d230dec18d
2 changed files with 9 additions and 7 deletions
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4
include/linux/mmdebug.h
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@ -3,8 +3,8 @@
struct page;
extern void dump_page(struct page *page, char *reason);
extern void dump_page_badflags(struct page *page, char *reason,
extern void dump_page(struct page *page, const char *reason);
extern void dump_page_badflags(struct page *page, const char *reason,
unsigned long badflags);
#ifdef CONFIG_DEBUG_VM