diff options
| author | Dave Jiang <dave.jiang@intel.com> | 2017-02-25 01:56:41 +0300 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2017-02-25 04:46:54 +0300 |
| commit | 11bac80004499ea59f361ef2a5516c84b6eab675 (patch) | |
| tree | b971df98b3fa9d4e62b8f4f7b5ec950181df4daa /drivers/gpu/drm/ttm/ttm_bo_vm.c | |
| parent | 374ad05ab64d696303cec5cc8ec3a65d457b7b1c (diff) | |
| download | linux-11bac80004499ea59f361ef2a5516c84b6eab675.tar.xz | |
mm, fs: reduce fault, page_mkwrite, and pfn_mkwrite to take only vmf
->fault(), ->page_mkwrite(), and ->pfn_mkwrite() calls do not need to
take a vma and vmf parameter when the vma already resides in vmf.
Remove the vma parameter to simplify things.
[arnd@arndb.de: fix ARM build]
Link: http://lkml.kernel.org/r/20170125223558.1451224-1-arnd@arndb.de
Link: http://lkml.kernel.org/r/148521301778.19116.10840599906674778980.stgit@djiang5-desk3.ch.intel.com
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Ross Zwisler <ross.zwisler@linux.intel.com>
Cc: Theodore Ts'o <tytso@mit.edu>
Cc: Darrick J. Wong <darrick.wong@oracle.com>
Cc: Matthew Wilcox <mawilcox@microsoft.com>
Cc: Dave Hansen <dave.hansen@intel.com>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Jan Kara <jack@suse.com>
Cc: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/gpu/drm/ttm/ttm_bo_vm.c')
| -rw-r--r-- | drivers/gpu/drm/ttm/ttm_bo_vm.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/drivers/gpu/drm/ttm/ttm_bo_vm.c b/drivers/gpu/drm/ttm/ttm_bo_vm.c index 88169141bef5..35ffb3754feb 100644 --- a/drivers/gpu/drm/ttm/ttm_bo_vm.c +++ b/drivers/gpu/drm/ttm/ttm_bo_vm.c @@ -43,7 +43,6 @@ #define TTM_BO_VM_NUM_PREFAULT 16 static int ttm_bo_vm_fault_idle(struct ttm_buffer_object *bo, - struct vm_area_struct *vma, struct vm_fault *vmf) { int ret = 0; @@ -67,7 +66,7 @@ static int ttm_bo_vm_fault_idle(struct ttm_buffer_object *bo, goto out_unlock; ttm_bo_reference(bo); - up_read(&vma->vm_mm->mmap_sem); + up_read(&vmf->vma->vm_mm->mmap_sem); (void) dma_fence_wait(bo->moving, true); ttm_bo_unreserve(bo); ttm_bo_unref(&bo); @@ -92,8 +91,9 @@ out_unlock: return ret; } -static int ttm_bo_vm_fault(struct vm_area_struct *vma, struct vm_fault *vmf) +static int ttm_bo_vm_fault(struct vm_fault *vmf) { + struct vm_area_struct *vma = vmf->vma; struct ttm_buffer_object *bo = (struct ttm_buffer_object *) vma->vm_private_data; struct ttm_bo_device *bdev = bo->bdev; @@ -124,7 +124,7 @@ static int ttm_bo_vm_fault(struct vm_area_struct *vma, struct vm_fault *vmf) if (vmf->flags & FAULT_FLAG_ALLOW_RETRY) { if (!(vmf->flags & FAULT_FLAG_RETRY_NOWAIT)) { ttm_bo_reference(bo); - up_read(&vma->vm_mm->mmap_sem); + up_read(&vmf->vma->vm_mm->mmap_sem); (void) ttm_bo_wait_unreserved(bo); ttm_bo_unref(&bo); } @@ -168,7 +168,7 @@ static int ttm_bo_vm_fault(struct vm_area_struct *vma, struct vm_fault *vmf) * Wait for buffer data in transit, due to a pipelined * move. */ - ret = ttm_bo_vm_fault_idle(bo, vma, vmf); + ret = ttm_bo_vm_fault_idle(bo, vmf); if (unlikely(ret != 0)) { retval = ret; |