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-rw-r--r--drivers/pci/intel-iommu.c25
1 files changed, 3 insertions, 22 deletions
diff --git a/drivers/pci/intel-iommu.c b/drivers/pci/intel-iommu.c
index 466079535330..4e1dd40f18e3 100644
--- a/drivers/pci/intel-iommu.c
+++ b/drivers/pci/intel-iommu.c
@@ -387,33 +387,14 @@ static struct kmem_cache *iommu_domain_cache;
static struct kmem_cache *iommu_devinfo_cache;
static struct kmem_cache *iommu_iova_cache;
-static inline void *iommu_kmem_cache_alloc(struct kmem_cache *cachep)
-{
- unsigned int flags;
- void *vaddr;
-
- /* trying to avoid low memory issues */
- flags = current->flags & PF_MEMALLOC;
- current->flags |= PF_MEMALLOC;
- vaddr = kmem_cache_alloc(cachep, GFP_ATOMIC);
- current->flags &= (~PF_MEMALLOC | flags);
- return vaddr;
-}
-
-
static inline void *alloc_pgtable_page(int node)
{
- unsigned int flags;
struct page *page;
void *vaddr = NULL;
- /* trying to avoid low memory issues */
- flags = current->flags & PF_MEMALLOC;
- current->flags |= PF_MEMALLOC;
page = alloc_pages_node(node, GFP_ATOMIC | __GFP_ZERO, 0);
if (page)
vaddr = page_address(page);
- current->flags &= (~PF_MEMALLOC | flags);
return vaddr;
}
@@ -424,7 +405,7 @@ static inline void free_pgtable_page(void *vaddr)
static inline void *alloc_domain_mem(void)
{
- return iommu_kmem_cache_alloc(iommu_domain_cache);
+ return kmem_cache_alloc(iommu_domain_cache, GFP_ATOMIC);
}
static void free_domain_mem(void *vaddr)
@@ -434,7 +415,7 @@ static void free_domain_mem(void *vaddr)
static inline void * alloc_devinfo_mem(void)
{
- return iommu_kmem_cache_alloc(iommu_devinfo_cache);
+ return kmem_cache_alloc(iommu_devinfo_cache, GFP_ATOMIC);
}
static inline void free_devinfo_mem(void *vaddr)
@@ -444,7 +425,7 @@ static inline void free_devinfo_mem(void *vaddr)
struct iova *alloc_iova_mem(void)
{
- return iommu_kmem_cache_alloc(iommu_iova_cache);
+ return kmem_cache_alloc(iommu_iova_cache, GFP_ATOMIC);
}
void free_iova_mem(struct iova *iova)