linux-kernel - [PATCH v1 2/2] drivers/base/memory.c: get rid of find_memory

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Message-Id: <20200113113354.6341-3-david@redhat.com>
Date:   Mon, 13 Jan 2020 12:33:54 +0100
From:   David Hildenbrand <david@...hat.com>
To:     linux-kernel@...r.kernel.org
Cc:     linux-mm@...ck.org, David Hildenbrand <david@...hat.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        "Rafael J. Wysocki" <rafael@...nel.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Dan Williams <dan.j.williams@...el.com>,
        Michal Hocko <mhocko@...e.com>,
        Pavel Tatashin <pasha.tatashin@...een.com>,
        Anshuman Khandual <anshuman.khandual@....com>,
        Oscar Salvador <osalvador@...e.de>
Subject: [PATCH v1 2/2] drivers/base/memory.c: get rid of find_memory_block()

No longer needed, remove it.

Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc: "Rafael J. Wysocki" <rafael@...nel.org>
Cc: Andrew Morton <akpm@...ux-foundation.org>
Cc: Dan Williams <dan.j.williams@...el.com>
Cc: Michal Hocko <mhocko@...e.com>
Cc: Pavel Tatashin <pasha.tatashin@...een.com>
Cc: Anshuman Khandual <anshuman.khandual@....com>
Cc: Oscar Salvador <osalvador@...e.de>
Signed-off-by: David Hildenbrand <david@...hat.com>
---
 drivers/base/memory.c  | 9 +--------
 include/linux/memory.h | 1 -
 2 files changed, 1 insertion(+), 9 deletions(-)

diff --git a/drivers/base/memory.c b/drivers/base/memory.c
index 2cf3542b04d0..8b3ab910b812 100644
--- a/drivers/base/memory.c
+++ b/drivers/base/memory.c
@@ -590,13 +590,6 @@ static struct memory_block *find_memory_block_by_id(unsigned long block_id)
 	return mem;
 }
 
-struct memory_block *find_memory_block(struct mem_section *section)
-{
-	unsigned long block_id = base_memory_block_id(__section_nr(section));
-
-	return find_memory_block_by_id(block_id);
-}
-
 static struct attribute *memory_memblk_attrs[] = {
 	&dev_attr_phys_index.attr,
 	&dev_attr_state.attr,
@@ -700,7 +693,7 @@ static void unregister_memory(struct memory_block *memory)
 
 	WARN_ON(radix_tree_delete(&memory_blocks, memory->dev.id) == NULL);
 
-	/* drop the ref. we got via find_memory_block() */
+	/* drop the ref. we got via find_memory_block_by_id() */
 	put_device(&memory->dev);
 	device_unregister(&memory->dev);
 }
diff --git a/include/linux/memory.h b/include/linux/memory.h
index 3ab4aa2d67ae..0b0732a94972 100644
--- a/include/linux/memory.h
+++ b/include/linux/memory.h
@@ -113,7 +113,6 @@ void remove_memory_block_devices(unsigned long start, unsigned long size);
 extern void memory_dev_init(void);
 extern int memory_notify(unsigned long val, void *v);
 extern int memory_isolate_notify(unsigned long val, void *v);
-extern struct memory_block *find_memory_block(struct mem_section *);
 typedef int (*walk_memory_blocks_func_t)(struct memory_block *, void *);
 extern int walk_memory_blocks(unsigned long start, unsigned long size,
 			      void *arg, walk_memory_blocks_func_t func);
-- 
2.24.1