linux-kernel - [PATCH 2/3] iommu: Stop exporting alloc_iova

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Date:   Fri, 4 Dec 2020 02:34:51 +0800
From:   John Garry <john.garry@...wei.com>
To:     <joro@...tes.org>, <will@...nel.org>
CC:     <iommu@...ts.linux-foundation.org>, <linux-kernel@...r.kernel.org>,
        <linuxarm@...wei.com>, <0x7f454c46@...il.com>,
        <robin.murphy@....com>, "John Garry" <john.garry@...wei.com>
Subject: [PATCH 2/3] iommu: Stop exporting alloc_iova_mem()

It is not used outside iova.c

Signed-off-by: John Garry <john.garry@...wei.com>
---
 drivers/iommu/iova.c | 3 +--
 include/linux/iova.h | 6 ------
 2 files changed, 1 insertion(+), 8 deletions(-)

diff --git a/drivers/iommu/iova.c b/drivers/iommu/iova.c
index 4803bd83447d..9fed0b040747 100644
--- a/drivers/iommu/iova.c
+++ b/drivers/iommu/iova.c
@@ -243,11 +243,10 @@ static struct kmem_cache *iova_cache;
 static unsigned int iova_cache_users;
 static DEFINE_MUTEX(iova_cache_mutex);
 
-struct iova *alloc_iova_mem(void)
+static struct iova *alloc_iova_mem(void)
 {
 	return kmem_cache_zalloc(iova_cache, GFP_ATOMIC | __GFP_NOWARN);
 }
-EXPORT_SYMBOL(alloc_iova_mem);
 
 void free_iova_mem(struct iova *iova)
 {
diff --git a/include/linux/iova.h b/include/linux/iova.h
index a77add571c50..d8c011b6d4ed 100644
--- a/include/linux/iova.h
+++ b/include/linux/iova.h
@@ -136,7 +136,6 @@ static inline unsigned long iova_pfn(struct iova_domain *iovad, dma_addr_t iova)
 int iova_cache_get(void);
 void iova_cache_put(void);
 
-struct iova *alloc_iova_mem(void);
 void free_iova_mem(struct iova *iova);
 void free_iova(struct iova_domain *iovad, unsigned long pfn);
 void __free_iova(struct iova_domain *iovad, struct iova *iova);
@@ -171,11 +170,6 @@ static inline void iova_cache_put(void)
 {
 }
 
-static inline struct iova *alloc_iova_mem(void)
-{
-	return NULL;
-}
-
 static inline void free_iova_mem(struct iova *iova)
 {
 }
-- 
2.26.2