diff options
Diffstat (limited to 'drivers')
-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 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; | |||
387 | static struct kmem_cache *iommu_devinfo_cache; | 387 | static struct kmem_cache *iommu_devinfo_cache; |
388 | static struct kmem_cache *iommu_iova_cache; | 388 | static struct kmem_cache *iommu_iova_cache; |
389 | 389 | ||
390 | static inline void *iommu_kmem_cache_alloc(struct kmem_cache *cachep) | ||
391 | { | ||
392 | unsigned int flags; | ||
393 | void *vaddr; | ||
394 | |||
395 | /* trying to avoid low memory issues */ | ||
396 | flags = current->flags & PF_MEMALLOC; | ||
397 | current->flags |= PF_MEMALLOC; | ||
398 | vaddr = kmem_cache_alloc(cachep, GFP_ATOMIC); | ||
399 | current->flags &= (~PF_MEMALLOC | flags); | ||
400 | return vaddr; | ||
401 | } | ||
402 | |||
403 | |||
404 | static inline void *alloc_pgtable_page(int node) | 390 | static inline void *alloc_pgtable_page(int node) |
405 | { | 391 | { |
406 | unsigned int flags; | ||
407 | struct page *page; | 392 | struct page *page; |
408 | void *vaddr = NULL; | 393 | void *vaddr = NULL; |
409 | 394 | ||
410 | /* trying to avoid low memory issues */ | ||
411 | flags = current->flags & PF_MEMALLOC; | ||
412 | current->flags |= PF_MEMALLOC; | ||
413 | page = alloc_pages_node(node, GFP_ATOMIC | __GFP_ZERO, 0); | 395 | page = alloc_pages_node(node, GFP_ATOMIC | __GFP_ZERO, 0); |
414 | if (page) | 396 | if (page) |
415 | vaddr = page_address(page); | 397 | vaddr = page_address(page); |
416 | current->flags &= (~PF_MEMALLOC | flags); | ||
417 | return vaddr; | 398 | return vaddr; |
418 | } | 399 | } |
419 | 400 | ||
@@ -424,7 +405,7 @@ static inline void free_pgtable_page(void *vaddr) | |||
424 | 405 | ||
425 | static inline void *alloc_domain_mem(void) | 406 | static inline void *alloc_domain_mem(void) |
426 | { | 407 | { |
427 | return iommu_kmem_cache_alloc(iommu_domain_cache); | 408 | return kmem_cache_alloc(iommu_domain_cache, GFP_ATOMIC); |
428 | } | 409 | } |
429 | 410 | ||
430 | static void free_domain_mem(void *vaddr) | 411 | static void free_domain_mem(void *vaddr) |
@@ -434,7 +415,7 @@ static void free_domain_mem(void *vaddr) | |||
434 | 415 | ||
435 | static inline void * alloc_devinfo_mem(void) | 416 | static inline void * alloc_devinfo_mem(void) |
436 | { | 417 | { |
437 | return iommu_kmem_cache_alloc(iommu_devinfo_cache); | 418 | return kmem_cache_alloc(iommu_devinfo_cache, GFP_ATOMIC); |
438 | } | 419 | } |
439 | 420 | ||
440 | static inline void free_devinfo_mem(void *vaddr) | 421 | static inline void free_devinfo_mem(void *vaddr) |
@@ -444,7 +425,7 @@ static inline void free_devinfo_mem(void *vaddr) | |||
444 | 425 | ||
445 | struct iova *alloc_iova_mem(void) | 426 | struct iova *alloc_iova_mem(void) |
446 | { | 427 | { |
447 | return iommu_kmem_cache_alloc(iommu_iova_cache); | 428 | return kmem_cache_alloc(iommu_iova_cache, GFP_ATOMIC); |
448 | } | 429 | } |
449 | 430 | ||
450 | void free_iova_mem(struct iova *iova) | 431 | void free_iova_mem(struct iova *iova) |