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| author | Dave Jiang <dave.jiang@intel.com> | 2017-02-24 14:56:41 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2017-02-24 17:46:54 -0800 |
| commit | 11bac80004499ea59f361ef2a5516c84b6eab675 (patch) | |
| tree | b971df98b3fa9d4e62b8f4f7b5ec950181df4daa /kernel/events | |
| parent | 374ad05ab64d696303cec5cc8ec3a65d457b7b1c (diff) | |
| download | linux-stable-11bac80004499ea59f361ef2a5516c84b6eab675.tar.gz linux-stable-11bac80004499ea59f361ef2a5516c84b6eab675.tar.bz2 linux-stable-11bac80004499ea59f361ef2a5516c84b6eab675.zip | |
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 'kernel/events')
| -rw-r--r-- | kernel/events/core.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/kernel/events/core.c b/kernel/events/core.c index 77a932b54a64..b2eb3542e829 100644 --- a/kernel/events/core.c +++ b/kernel/events/core.c @@ -4925,9 +4925,9 @@ unlock: rcu_read_unlock(); } -static int perf_mmap_fault(struct vm_area_struct *vma, struct vm_fault *vmf) +static int perf_mmap_fault(struct vm_fault *vmf) { - struct perf_event *event = vma->vm_file->private_data; + struct perf_event *event = vmf->vma->vm_file->private_data; struct ring_buffer *rb; int ret = VM_FAULT_SIGBUS; @@ -4950,7 +4950,7 @@ static int perf_mmap_fault(struct vm_area_struct *vma, struct vm_fault *vmf) goto unlock; get_page(vmf->page); - vmf->page->mapping = vma->vm_file->f_mapping; + vmf->page->mapping = vmf->vma->vm_file->f_mapping; vmf->page->index = vmf->pgoff; ret = 0; |