linux-kernel - [PATCH] mm: remove the __mmu_notifier_invalidate_range

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Message-Id: <20190828142109.29012-1-hch@lst.de>
Date:   Wed, 28 Aug 2019 16:21:09 +0200
From:   Christoph Hellwig <hch@....de>
To:     jgg@...lanox.com, akpm@...ux-foundation.org
Cc:     linux-mm@...ck.org, linux-kernel@...r.kernel.org, daniel@...ll.ch
Subject: [PATCH] mm: remove the __mmu_notifier_invalidate_range_start/end exports

Bo modular code uses these, which makes a lot of sense given the
wrappers around them are only called by core mm code.

Also remove the recently added __mmu_notifier_invalidate_range_start_map
export for which the same applies.

Signed-off-by: Christoph Hellwig <hch@....de>
---
 mm/mmu_notifier.c | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/mm/mmu_notifier.c b/mm/mmu_notifier.c
index 690f1ea639d5..240f4e14d42e 100644
--- a/mm/mmu_notifier.c
+++ b/mm/mmu_notifier.c
@@ -25,7 +25,6 @@ DEFINE_STATIC_SRCU(srcu);
 struct lockdep_map __mmu_notifier_invalidate_range_start_map = {
 	.name = "mmu_notifier_invalidate_range_start"
 };
-EXPORT_SYMBOL_GPL(__mmu_notifier_invalidate_range_start_map);
 #endif
 
 /*
@@ -184,7 +183,6 @@ int __mmu_notifier_invalidate_range_start(struct mmu_notifier_range *range)
 
 	return ret;
 }
-EXPORT_SYMBOL_GPL(__mmu_notifier_invalidate_range_start);
 
 void __mmu_notifier_invalidate_range_end(struct mmu_notifier_range *range,
 					 bool only_end)
@@ -218,7 +216,6 @@ void __mmu_notifier_invalidate_range_end(struct mmu_notifier_range *range,
 	srcu_read_unlock(&srcu, id);
 	lock_map_release(&__mmu_notifier_invalidate_range_start_map);
 }
-EXPORT_SYMBOL_GPL(__mmu_notifier_invalidate_range_end);
 
 void __mmu_notifier_invalidate_range(struct mm_struct *mm,
 				  unsigned long start, unsigned long end)
-- 
2.20.1