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

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Message-ID: <1607020492-189471-4-git-send-email-john.garry@huawei.com>
Date:   Fri, 4 Dec 2020 02:34:52 +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 3/3] iommu: Stop exporting free_iova_mem()

It has no user outside iova.c

Signed-off-by: John Garry <john.garry@...wei.com>
---
 drivers/iommu/iova.c | 3 +--
 include/linux/iova.h | 5 -----
 2 files changed, 1 insertion(+), 7 deletions(-)

diff --git a/drivers/iommu/iova.c b/drivers/iommu/iova.c
index 9fed0b040747..f68fe4c0df28 100644
--- a/drivers/iommu/iova.c
+++ b/drivers/iommu/iova.c
@@ -248,12 +248,11 @@ static struct iova *alloc_iova_mem(void)
 	return kmem_cache_zalloc(iova_cache, GFP_ATOMIC | __GFP_NOWARN);
 }
 
-void free_iova_mem(struct iova *iova)
+static void free_iova_mem(struct iova *iova)
 {
 	if (iova->pfn_lo != IOVA_ANCHOR)
 		kmem_cache_free(iova_cache, iova);
 }
-EXPORT_SYMBOL(free_iova_mem);
 
 int iova_cache_get(void)
 {
diff --git a/include/linux/iova.h b/include/linux/iova.h
index d8c011b6d4ed..76e16ae20729 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);
 
-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);
 struct iova *alloc_iova(struct iova_domain *iovad, unsigned long size,
@@ -170,10 +169,6 @@ static inline void iova_cache_put(void)
 {
 }
 
-static inline void free_iova_mem(struct iova *iova)
-{
-}
-
 static inline void free_iova(struct iova_domain *iovad, unsigned long pfn)
 {
 }
-- 
2.26.2