/* SPDX-License-Identifier: GPL-2.0 */
/*
 * Official Linux v6.18: include/linux/mmap_lock.h
 * Complete function; source lines 365-370.
 * Body unchanged. Kernel dependencies and configuration are required.
 * Source URL, SHA, commit, and license: provenance.json; GPL-2.0.txt.
 */

static inline void mmap_read_lock(struct mm_struct *mm)
{
	__mmap_lock_trace_start_locking(mm, false);
	down_read(&mm->mmap_lock);
	__mmap_lock_trace_acquire_returned(mm, false, true);
}