From 9542ea7b80212158c1ac4904022cc2b4f8738790 Mon Sep 17 00:00:00 2001
From: Gleb Smirnoff <glebius@FreeBSD.org>
Date: Wed, 3 Feb 2016 22:02:36 +0000
Subject: Move uma_dbg_alloc() and uma_dbg_free() into uma_core.c, which allows
 to make uma_dbg.h not depend on uma_int.h, which allows to uninclude
 uma_int.h from the mbuf(9) allocator.

---
 sys/vm/uma_dbg.c | 97 --------------------------------------------------------
 1 file changed, 97 deletions(-)

(limited to 'sys/vm/uma_dbg.c')

diff --git a/sys/vm/uma_dbg.c b/sys/vm/uma_dbg.c
index 3fbd29b16dea..dcef5c9480cb 100644
--- a/sys/vm/uma_dbg.c
+++ b/sys/vm/uma_dbg.c
@@ -196,100 +196,3 @@ mtrash_fini(void *mem, int size)
 {
 	(void)mtrash_ctor(mem, size, NULL, 0);
 }
-
-#ifdef INVARIANTS
-static uma_slab_t
-uma_dbg_getslab(uma_zone_t zone, void *item)
-{
-	uma_slab_t slab;
-	uma_keg_t keg;
-	uint8_t *mem;
-
-	mem = (uint8_t *)((uintptr_t)item & (~UMA_SLAB_MASK));
-	if (zone->uz_flags & UMA_ZONE_VTOSLAB) {
-		slab = vtoslab((vm_offset_t)mem);
-	} else {
-		/*
-		 * It is safe to return the slab here even though the
-		 * zone is unlocked because the item's allocation state
-		 * essentially holds a reference.
-		 */
-		ZONE_LOCK(zone);
-		keg = LIST_FIRST(&zone->uz_kegs)->kl_keg;
-		if (keg->uk_flags & UMA_ZONE_HASH)
-			slab = hash_sfind(&keg->uk_hash, mem);
-		else
-			slab = (uma_slab_t)(mem + keg->uk_pgoff);
-		ZONE_UNLOCK(zone);
-	}
-
-	return (slab);
-}
-
-/*
- * Set up the slab's freei data such that uma_dbg_free can function.
- *
- */
-void
-uma_dbg_alloc(uma_zone_t zone, uma_slab_t slab, void *item)
-{
-	uma_keg_t keg;
-	int freei;
-
-	if (zone_first_keg(zone) == NULL)
-		return;
-	if (slab == NULL) {
-		slab = uma_dbg_getslab(zone, item);
-		if (slab == NULL) 
-			panic("uma: item %p did not belong to zone %s\n",
-			    item, zone->uz_name);
-	}
-	keg = slab->us_keg;
-	freei = ((uintptr_t)item - (uintptr_t)slab->us_data) / keg->uk_rsize;
-
-	if (BIT_ISSET(SLAB_SETSIZE, freei, &slab->us_debugfree))
-		panic("Duplicate alloc of %p from zone %p(%s) slab %p(%d)\n",
-		    item, zone, zone->uz_name, slab, freei);
-	BIT_SET_ATOMIC(SLAB_SETSIZE, freei, &slab->us_debugfree);
-
-	return;
-}
-
-/*
- * Verifies freed addresses.  Checks for alignment, valid slab membership
- * and duplicate frees.
- *
- */
-void
-uma_dbg_free(uma_zone_t zone, uma_slab_t slab, void *item)
-{
-	uma_keg_t keg;
-	int freei;
-
-	if (zone_first_keg(zone) == NULL)
-		return;
-	if (slab == NULL) {
-		slab = uma_dbg_getslab(zone, item);
-		if (slab == NULL) 
-			panic("uma: Freed item %p did not belong to zone %s\n",
-			    item, zone->uz_name);
-	}
-	keg = slab->us_keg;
-	freei = ((uintptr_t)item - (uintptr_t)slab->us_data) / keg->uk_rsize;
-
-	if (freei >= keg->uk_ipers)
-		panic("Invalid free of %p from zone %p(%s) slab %p(%d)\n",
-		    item, zone, zone->uz_name, slab, freei);
-
-	if (((freei * keg->uk_rsize) + slab->us_data) != item) 
-		panic("Unaligned free of %p from zone %p(%s) slab %p(%d)\n",
-		    item, zone, zone->uz_name, slab, freei);
-
-	if (!BIT_ISSET(SLAB_SETSIZE, freei, &slab->us_debugfree))
-		panic("Duplicate free of %p from zone %p(%s) slab %p(%d)\n",
-		    item, zone, zone->uz_name, slab, freei);
-
-	BIT_CLR_ATOMIC(SLAB_SETSIZE, freei, &slab->us_debugfree);
-}
-
-#endif /* INVARIANTS */
-- 
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