diff options
Diffstat (limited to 'drivers/pci/intel-iommu.c')
| -rw-r--r-- | drivers/pci/intel-iommu.c | 25 |
1 files changed, 3 insertions, 22 deletions
diff --git a/drivers/pci/intel-iommu.c b/drivers/pci/intel-iommu.c index 46607953533..4e1dd40f18e 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) |