linux-kernel - [PATCH 3/3] mm: zpdesc: minor naming and comment corrections

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Message-ID: <20250829162212.208258-4-hannes@cmpxchg.org>
Date: Fri, 29 Aug 2025 17:15:28 +0100
From: Johannes Weiner <hannes@...xchg.org>
To: Andrew Morton <akpm@...ux-foundation.org>
Cc: Yosry Ahmed <yosryahmed@...gle.com>,
	Nhat Pham <nphamcs@...il.com>,
	Chengming Zhou <zhouchengming@...edance.com>,
	linux-mm@...ck.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH 3/3] mm: zpdesc: minor naming and comment corrections

zpdesc is the page descriptor used by the zsmalloc backend allocator,
which in turn is used by zswap and zram. The zpool layer is gone.

Signed-off-by: Johannes Weiner <hannes@...xchg.org>
---
 mm/zpdesc.h | 14 +++++++-------
 1 file changed, 7 insertions(+), 7 deletions(-)

diff --git a/mm/zpdesc.h b/mm/zpdesc.h
index 25bf5ea0beb8..b8258dc78548 100644
--- a/mm/zpdesc.h
+++ b/mm/zpdesc.h
@@ -1,5 +1,5 @@
 /* SPDX-License-Identifier: GPL-2.0 */
-/* zpdesc.h: zswap.zpool memory descriptor
+/* zpdesc.h: zsmalloc pool memory descriptor
  *
  * Written by Alex Shi <alexs@...nel.org>
  *	      Hyeonggon Yoo <42.hyeyoo@...il.com>
@@ -11,14 +11,14 @@
 #include <linux/pagemap.h>
 
 /*
- * struct zpdesc -	Memory descriptor for zpool memory.
+ * struct zpdesc -	Memory descriptor for zsmalloc pool memory.
  * @flags:		Page flags, mostly unused by zsmalloc.
  * @lru:		Indirectly used by page migration.
  * @movable_ops:	Used by page migration.
- * @next:		Next zpdesc in a zspage in zsmalloc zpool.
- * @handle:		For huge zspage in zsmalloc zpool.
+ * @next:		Next zpdesc in a zspage in zsmalloc pool.
+ * @handle:		For huge zspage in zsmalloc pool.
  * @zspage:		Points to the zspage this zpdesc is a part of.
- * @first_obj_offset:	First object offset in zsmalloc zpool.
+ * @first_obj_offset:	First object offset in zsmalloc pool.
  * @_refcount:		The number of references to this zpdesc.
  *
  * This struct overlays struct page for now. Do not modify without a good
@@ -79,8 +79,8 @@ static_assert(sizeof(struct zpdesc) <= sizeof(struct page));
  * zpdesc_folio - The folio allocated for a zpdesc
  * @zp: The zpdesc.
  *
- * Zpdescs are descriptors for zpool memory. The zpool memory itself is
- * allocated as folios that contain the zpool objects, and zpdesc uses specific
+ * Zpdescs are descriptors for zsmalloc memory. The memory itself is allocated
+ * as folios that contain the zsmalloc objects, and zpdesc uses specific
  * fields in the first struct page of the folio - those fields are now accessed
  * by struct zpdesc.
  *
-- 
2.51.0