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authorMichel Lespinasse <walken@google.com>2020-06-08 21:33:29 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2020-06-09 09:39:14 -0700
commit89154dd5313f774d3a592451360b78442571b1f8 (patch)
tree45492bd30546e64b78ba05a874464f39c2596ae8 /fs/proc
parentd8ed45c5dcd455fc5848d47f86883a1b872ac0d0 (diff)
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mmap locking API: convert mmap_sem call sites missed by coccinelle
Convert the last few remaining mmap_sem rwsem calls to use the new mmap locking API. These were missed by coccinelle for some reason (I think coccinelle does not support some of the preprocessor constructs in these files ?) [akpm@linux-foundation.org: convert linux-next leftovers] [akpm@linux-foundation.org: more linux-next leftovers] [akpm@linux-foundation.org: more linux-next leftovers] Signed-off-by: Michel Lespinasse <walken@google.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Reviewed-by: Daniel Jordan <daniel.m.jordan@oracle.com> Reviewed-by: Laurent Dufour <ldufour@linux.ibm.com> Reviewed-by: Vlastimil Babka <vbabka@suse.cz> Cc: Davidlohr Bueso <dbueso@suse.de> Cc: David Rientjes <rientjes@google.com> Cc: Hugh Dickins <hughd@google.com> Cc: Jason Gunthorpe <jgg@ziepe.ca> Cc: Jerome Glisse <jglisse@redhat.com> Cc: John Hubbard <jhubbard@nvidia.com> Cc: Liam Howlett <Liam.Howlett@oracle.com> Cc: Matthew Wilcox <willy@infradead.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Ying Han <yinghan@google.com> Link: http://lkml.kernel.org/r/20200520052908.204642-6-walken@google.com Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs/proc')
-rw-r--r--fs/proc/base.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/fs/proc/base.c b/fs/proc/base.c
index f9c88e4bd837..4f0d6f40b8f1 100644
--- a/fs/proc/base.c
+++ b/fs/proc/base.c
@@ -2322,7 +2322,7 @@ proc_map_files_readdir(struct file *file, struct dir_context *ctx)
if (!mm)
goto out_put_task;
- ret = down_read_killable(&mm->mmap_sem);
+ ret = mmap_read_lock_killable(mm);
if (ret) {
mmput(mm);
goto out_put_task;
@@ -2349,7 +2349,7 @@ proc_map_files_readdir(struct file *file, struct dir_context *ctx)
p = genradix_ptr_alloc(&fa, nr_files++, GFP_KERNEL);
if (!p) {
ret = -ENOMEM;
- up_read(&mm->mmap_sem);
+ mmap_read_unlock(mm);
mmput(mm);
goto out_put_task;
}
@@ -2358,7 +2358,7 @@ proc_map_files_readdir(struct file *file, struct dir_context *ctx)
p->end = vma->vm_end;
p->mode = vma->vm_file->f_mode;
}
- up_read(&mm->mmap_sem);
+ mmap_read_unlock(mm);
mmput(mm);
for (i = 0; i < nr_files; i++) {