linux-kernel - [PATCH 1/4] mm/memory_hotplug: Update comment for hotplug memory callback priorities

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Message-ID: <20250814171650.3002930-2-dave.jiang@intel.com>
Date: Thu, 14 Aug 2025 10:16:47 -0700
From: Dave Jiang <dave.jiang@...el.com>
To: linux-cxl@...r.kernel.org,
	linux-acpi@...r.kernel.org,
	linux-kernel@...r.kernel.org
Cc: gregkh@...uxfoundation.org,
	rafael@...nel.org,
	dakr@...nel.org,
	dave@...olabs.net,
	jonathan.cameron@...wei.com,
	alison.schofield@...el.com,
	vishal.l.verma@...el.com,
	ira.weiny@...el.com,
	dan.j.williams@...el.com,
	marc.herbert@...ux.intel.com,
	akpm@...ux-foundation.org,
	david@...hat.com
Subject: [PATCH 1/4] mm/memory_hotplug: Update comment for hotplug memory callback priorities

Add clarification to comment for memory hotplug callback ordering as the
current comment does not provide clear language on which callback happens
first.

Signed-off-by: Dave Jiang <dave.jiang@...el.com>
---
 include/linux/memory.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/linux/memory.h b/include/linux/memory.h
index 40eb70ccb09d..02314723e5bd 100644
--- a/include/linux/memory.h
+++ b/include/linux/memory.h
@@ -116,7 +116,7 @@ struct mem_section;
 
 /*
  * Priorities for the hotplug memory callback routines (stored in decreasing
- * order in the callback chain)
+ * order in the callback chain). The callback ordering happens from high to low.
  */
 #define DEFAULT_CALLBACK_PRI	0
 #define SLAB_CALLBACK_PRI	1
-- 
2.50.1