mmap locking API: convert mmap_sem comments
Convert comments that reference mmap_sem to reference mmap_lock instead.
[akpm@linux-foundation.org: fix up linux-next leftovers]
[akpm@linux-foundation.org: s/lockaphore/lock/, per Vlastimil]
[akpm@linux-foundation.org: more linux-next fixups, per Michel]
Signed-off-by: Michel Lespinasse <walken@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Reviewed-by: Vlastimil Babka <vbabka@suse.cz>
Reviewed-by: Daniel Jordan <daniel.m.jordan@oracle.com>
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: Laurent Dufour <ldufour@linux.ibm.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/20200520052908.204642-13-walken@google.com
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/fs/proc/base.c b/fs/proc/base.c
index 4f0d6f4..d86c0af 100644
--- a/fs/proc/base.c
+++ b/fs/proc/base.c
@@ -2333,11 +2333,11 @@ proc_map_files_readdir(struct file *file, struct dir_context *ctx)
/*
* We need two passes here:
*
- * 1) Collect vmas of mapped files with mmap_sem taken
- * 2) Release mmap_sem and instantiate entries
+ * 1) Collect vmas of mapped files with mmap_lock taken
+ * 2) Release mmap_lock and instantiate entries
*
* otherwise we get lockdep complained, since filldir()
- * routine might require mmap_sem taken in might_fault().
+ * routine might require mmap_lock taken in might_fault().
*/
for (vma = mm->mmap, pos = 2; vma; vma = vma->vm_next) {
diff --git a/fs/proc/task_mmu.c b/fs/proc/task_mmu.c
index 81b9854..dbda449 100644
--- a/fs/proc/task_mmu.c
+++ b/fs/proc/task_mmu.c
@@ -593,7 +593,7 @@ static int smaps_pte_range(pmd_t *pmd, unsigned long addr, unsigned long end,
if (pmd_trans_unstable(pmd))
goto out;
/*
- * The mmap_sem held all the way back in m_start() is what
+ * The mmap_lock held all the way back in m_start() is what
* keeps khugepaged out of here and from collapsing things
* in here.
*/
@@ -752,7 +752,7 @@ static void smap_gather_stats(struct vm_area_struct *vma,
}
}
#endif
- /* mmap_sem is held in m_start */
+ /* mmap_lock is held in m_start */
walk_page_vma(vma, &smaps_walk_ops, mss);
}
@@ -1827,7 +1827,7 @@ static int show_numa_map(struct seq_file *m, void *v)
if (is_vm_hugetlb_page(vma))
seq_puts(m, " huge");
- /* mmap_sem is held by m_start */
+ /* mmap_lock is held by m_start */
walk_page_vma(vma, &show_numa_ops, md);
if (!md->pages)