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| author | Andrew Morton <akpm@linux-foundation.org> | 2012-05-29 15:06:44 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2012-05-29 16:22:23 -0700 |
| commit | 51300cef41c9355a7d428fe0714888d3c72a6f2f (patch) | |
| tree | acde5b26bec6d11ac7265b1fcd6a59309907a4c7 /mm | |
| parent | acc50c110cf6f1a8bd1af410b2c7bc29ca624678 (diff) | |
| download | lwn-51300cef41c9355a7d428fe0714888d3c72a6f2f.tar.gz lwn-51300cef41c9355a7d428fe0714888d3c72a6f2f.zip | |
mm/page_alloc.c: cleanups
- make pageflag_names[] const
- remove null termination of pageflag_names[]
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Gavin Shan <shangw@linux.vnet.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm')
| -rw-r--r-- | mm/page_alloc.c | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/mm/page_alloc.c b/mm/page_alloc.c index 5712898c951b..4fc462b5fcf1 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -5938,7 +5938,7 @@ bool is_free_buddy_page(struct page *page) } #endif -static struct trace_print_flags pageflag_names[] = { +static const struct trace_print_flags pageflag_names[] = { {1UL << PG_locked, "locked" }, {1UL << PG_error, "error" }, {1UL << PG_referenced, "referenced" }, @@ -5976,7 +5976,6 @@ static struct trace_print_flags pageflag_names[] = { #ifdef CONFIG_TRANSPARENT_HUGEPAGE {1UL << PG_compound_lock, "compound_lock" }, #endif - {-1UL, NULL }, }; static void dump_page_flags(unsigned long flags) @@ -5985,14 +5984,14 @@ static void dump_page_flags(unsigned long flags) unsigned long mask; int i; - BUILD_BUG_ON(ARRAY_SIZE(pageflag_names) - 1 != __NR_PAGEFLAGS); + BUILD_BUG_ON(ARRAY_SIZE(pageflag_names) != __NR_PAGEFLAGS); printk(KERN_ALERT "page flags: %#lx(", flags); /* remove zone id */ flags &= (1UL << NR_PAGEFLAGS) - 1; - for (i = 0; pageflag_names[i].name && flags; i++) { + for (i = 0; i < ARRAY_SIZE(pageflag_names) && flags; i++) { mask = pageflag_names[i].mask; if ((flags & mask) != mask) |