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SLUB: consolidate trace code

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Trace in both slab_alloc and slab_free has a lot of common code.  Use a single
function for both.

Signed-off-by: Christoph Lameter <clameter@sgi.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Christoph Lameter 2007-05-09 02:32:42 -07:00 committed by Linus Torvalds
parent 35e5d7ee27
commit 636f0d7de8
1 changed files with 18 additions and 13 deletions
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31
mm/slub.c
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@ -805,6 +805,22 @@ fail:
return 0;
}
static void trace(struct kmem_cache *s, struct page *page, void *object, int alloc)
{
if (s->flags & SLAB_TRACE) {
printk(KERN_INFO "TRACE %s %s 0x%p inuse=%d fp=0x%p\n",
s->name,
alloc ? "alloc" : "free",
object, page->inuse,
page->freelist);
if (!alloc)
print_section("Object", (void *)object, s->objsize);
dump_stack();
}
}
/*
* Slab allocation and freeing
*/
@ -1289,12 +1305,7 @@ debug:
goto another_slab;
if (s->flags & SLAB_STORE_USER)
set_track(s, object, TRACK_ALLOC, addr);
if (s->flags & SLAB_TRACE) {
printk(KERN_INFO "TRACE %s alloc 0x%p inuse=%d fp=0x%p\n",
s->name, object, page->inuse,
page->freelist);
dump_stack();
}
trace(s, page, object, 1);
init_object(s, object, 1);
goto have_object;
}
@ -1379,13 +1390,7 @@ debug:
remove_full(s, page);
if (s->flags & SLAB_STORE_USER)
set_track(s, x, TRACK_FREE, addr);
if (s->flags & SLAB_TRACE) {
printk(KERN_INFO "TRACE %s free 0x%p inuse=%d fp=0x%p\n",
s->name, object, page->inuse,
page->freelist);
print_section("Object", (void *)object, s->objsize);
dump_stack();
}
trace(s, page, object, 0);
init_object(s, object, 0);
goto checks_ok;
}