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iommu: Stop exporting alloc_iova_mem()

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It is not used outside iova.c

Signed-off-by: John Garry <john.garry@huawei.com>
Link: https://lore.kernel.org/r/1607020492-189471-3-git-send-email-john.garry@huawei.com
Signed-off-by: Will Deacon <will@kernel.org>
This commit is contained in:
John Garry 2020-12-04 02:34:51 +08:00 committed by Will Deacon
parent 2f24dfb712
commit 51b70b817b
2 changed files with 1 additions and 8 deletions
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3
drivers/iommu/iova.c
View File

@ -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)
{

6
include/linux/iova.h
View File

@ -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)
{
}