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authorAndrew Morton <akpm@linux-foundation.org>2012-05-29 15:06:44 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2012-05-29 16:22:23 -0700
commit51300cef41c9355a7d428fe0714888d3c72a6f2f (patch)
treeacde5b26bec6d11ac7265b1fcd6a59309907a4c7 /mm/page_alloc.c
parentacc50c110cf6f1a8bd1af410b2c7bc29ca624678 (diff)
downloadop-kernel-dev-51300cef41c9355a7d428fe0714888d3c72a6f2f.zip
op-kernel-dev-51300cef41c9355a7d428fe0714888d3c72a6f2f.tar.gz
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/page_alloc.c')
-rw-r--r--mm/page_alloc.c7
1 files changed, 3 insertions, 4 deletions
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 5712898..4fc462b 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)
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