linux-kernel - [PATCH 09/11] mempool: remove mempool_{init,create}_kvmalloc

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Message-ID: <20251113084022.1255121-10-hch@lst.de>
Date: Thu, 13 Nov 2025 09:39:50 +0100
From: Christoph Hellwig <hch@....de>
To: Vlastimil Babka <vbabka@...e.cz>,
	Andrew Morton <akpm@...ux-foundation.org>
Cc: Christoph Lameter <cl@...two.org>,
	David Rientjes <rientjes@...gle.com>,
	Roman Gushchin <roman.gushchin@...ux.dev>,
	Harry Yoo <harry.yoo@...cle.com>,
	Suren Baghdasaryan <surenb@...gle.com>,
	Michal Hocko <mhocko@...e.com>,
	Brendan Jackman <jackmanb@...gle.com>,
	Zi Yan <ziy@...dia.com>,
	Eric Biggers <ebiggers@...nel.org>,
	linux-mm@...ck.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH 09/11] mempool: remove mempool_{init,create}_kvmalloc_pool

This was added for bcachefs and is unused now.

Signed-off-by: Christoph Hellwig <hch@....de>
---
 include/linux/mempool.h | 13 -------------
 mm/mempool.c            | 13 -------------
 2 files changed, 26 deletions(-)

diff --git a/include/linux/mempool.h b/include/linux/mempool.h
index e914fec0e119..d9332485e8ca 100644
--- a/include/linux/mempool.h
+++ b/include/linux/mempool.h
@@ -103,19 +103,6 @@ void mempool_kfree(void *element, void *pool_data);
 	mempool_create((_min_nr), mempool_kmalloc, mempool_kfree,	\
 		       (void *)(unsigned long)(_size))
 
-void *mempool_kvmalloc(gfp_t gfp_mask, void *pool_data);
-void mempool_kvfree(void *element, void *pool_data);
-
-static inline int mempool_init_kvmalloc_pool(mempool_t *pool, int min_nr, size_t size)
-{
-	return mempool_init(pool, min_nr, mempool_kvmalloc, mempool_kvfree, (void *) size);
-}
-
-static inline mempool_t *mempool_create_kvmalloc_pool(int min_nr, size_t size)
-{
-	return mempool_create(min_nr, mempool_kvmalloc, mempool_kvfree, (void *) size);
-}
-
 /*
  * A mempool_alloc_t and mempool_free_t for a simple page allocator that
  * allocates pages of the order specified by pool_data
diff --git a/mm/mempool.c b/mm/mempool.c
index ea2f4f9bcfa1..72c788888ed7 100644
--- a/mm/mempool.c
+++ b/mm/mempool.c
@@ -724,19 +724,6 @@ void mempool_kfree(void *element, void *pool_data)
 }
 EXPORT_SYMBOL(mempool_kfree);
 
-void *mempool_kvmalloc(gfp_t gfp_mask, void *pool_data)
-{
-	size_t size = (size_t)pool_data;
-	return kvmalloc(size, gfp_mask);
-}
-EXPORT_SYMBOL(mempool_kvmalloc);
-
-void mempool_kvfree(void *element, void *pool_data)
-{
-	kvfree(element);
-}
-EXPORT_SYMBOL(mempool_kvfree);
-
 /*
  * A simple mempool-backed page allocator that allocates pages
  * of the order specified by pool_data.
-- 
2.47.3