From: akpm@linux-foundation.org
To: akpm@linux-foundation.org, cl@linux.com, iamjoonsoo.kim@lge.com,
linux-mm@kvack.org, mm-commits@vger.kernel.org,
penberg@kernel.org, rientjes@google.com,
torvalds@linux-foundation.org, yuzhao@google.com
Subject: [patch 009/158] mm/slub.c: update comments
Date: Sat, 30 Nov 2019 17:49:34 -0800 [thread overview]
Message-ID: <20191201014934.ftAafosqZ%akpm@linux-foundation.org> (raw)
From: Yu Zhao <yuzhao@google.com>
Subject: mm/slub.c: update comments
Slub doesn't use PG_active and PG_error anymore.
Link: http://lkml.kernel.org/r/20191007222023.162256-1-yuzhao@google.com
Signed-off-by: Yu Zhao <yuzhao@google.com>
Reviewed-by: Andrew Morton <akpm@linux-foundation.org>
Acked-by: David Rientjes <rientjes@google.com>
Cc: Christoph Lameter <cl@linux.com>
Cc: Pekka Enberg <penberg@kernel.org>
Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
mm/slub.c | 6 ++----
1 file changed, 2 insertions(+), 4 deletions(-)
--- a/mm/slub.c~mm-update-comments-in-slubc
+++ a/mm/slub.c
@@ -93,9 +93,7 @@
* minimal so we rely on the page allocators per cpu caches for
* fast frees and allocs.
*
- * Overloading of page flags that are otherwise used for LRU management.
- *
- * PageActive The slab is frozen and exempt from list processing.
+ * page->frozen The slab is frozen and exempt from list processing.
* This means that the slab is dedicated to a purpose
* such as satisfying allocations for a specific
* processor. Objects may be freed in the slab while
@@ -111,7 +109,7 @@
* free objects in addition to the regular freelist
* that requires the slab lock.
*
- * PageError Slab requires special handling due to debug
+ * SLAB_DEBUG_FLAGS Slab requires special handling due to debug
* options set. This moves slab handling out of
* the fast path and disables lockless freelists.
*/
_
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