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Diffstat (limited to 'include/linux/sched/mm.h')
-rw-r--r--include/linux/sched/mm.h12
1 files changed, 7 insertions, 5 deletions
diff --git a/include/linux/sched/mm.h b/include/linux/sched/mm.h
index c49257a3b510..480a4d1b7dd8 100644
--- a/include/linux/sched/mm.h
+++ b/include/linux/sched/mm.h
@@ -49,9 +49,11 @@ static inline void mmdrop(struct mm_struct *mm)
__mmdrop(mm);
}
+void mmdrop(struct mm_struct *mm);
+
/*
* This has to be called after a get_task_mm()/mmget_not_zero()
- * followed by taking the mmap_sem for writing before modifying the
+ * followed by taking the mmap_lock for writing before modifying the
* vmas or anything the coredump pretends not to change from under it.
*
* It also has to be called when mmgrab() is used in the context of
@@ -59,14 +61,14 @@ static inline void mmdrop(struct mm_struct *mm)
* the context of the process to run down_write() on that pinned mm.
*
* NOTE: find_extend_vma() called from GUP context is the only place
- * that can modify the "mm" (notably the vm_start/end) under mmap_sem
+ * that can modify the "mm" (notably the vm_start/end) under mmap_lock
* for reading and outside the context of the process, so it is also
- * the only case that holds the mmap_sem for reading that must call
- * this function. Generally if the mmap_sem is hold for reading
+ * the only case that holds the mmap_lock for reading that must call
+ * this function. Generally if the mmap_lock is hold for reading
* there's no need of this check after get_task_mm()/mmget_not_zero().
*
* This function can be obsoleted and the check can be removed, after
- * the coredump code will hold the mmap_sem for writing before
+ * the coredump code will hold the mmap_lock for writing before
* invoking the ->core_dump methods.
*/
static inline bool mmget_still_valid(struct mm_struct *mm)