linux-kernel - [PATCH 07/13] frontswap: remove the frontswap exports

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Message-Id: <20211224062246.1258487-8-hch@lst.de>
Date:   Fri, 24 Dec 2021 07:22:40 +0100
From:   Christoph Hellwig <hch@....de>
To:     Andrew Morton <akpm@...ux-foundation.org>,
        Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>
Cc:     Hugh Dickins <hughd@...gle.com>,
        Seth Jennings <sjenning@...hat.com>,
        Dan Streetman <ddstreet@...e.org>,
        Vitaly Wool <vitaly.wool@...sulko.com>,
        Matthew Wilcox <willy@...radead.org>,
        linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org,
        linux-mm@...ck.org
Subject: [PATCH 07/13] frontswap: remove the frontswap exports

None of the frontswap API is called from modular code.

Signed-off-by: Christoph Hellwig <hch@....de>
---
 mm/frontswap.c | 6 ------
 1 file changed, 6 deletions(-)

diff --git a/mm/frontswap.c b/mm/frontswap.c
index 132d6ad6d70b7..42d554da53bbb 100644
--- a/mm/frontswap.c
+++ b/mm/frontswap.c
@@ -151,7 +151,6 @@ void frontswap_register_ops(struct frontswap_ops *ops)
 		}
 	}
 }
-EXPORT_SYMBOL(frontswap_register_ops);
 
 /*
  * Called when a swap device is swapon'd.
@@ -187,7 +186,6 @@ bool __frontswap_test(struct swap_info_struct *sis,
 		return test_bit(offset, sis->frontswap_map);
 	return false;
 }
-EXPORT_SYMBOL(__frontswap_test);
 
 static inline void __frontswap_set(struct swap_info_struct *sis,
 				   pgoff_t offset)
@@ -250,7 +248,6 @@ int __frontswap_store(struct page *page)
 
 	return ret;
 }
-EXPORT_SYMBOL(__frontswap_store);
 
 /*
  * "Get" data from frontswap associated with swaptype and offset that were
@@ -283,7 +280,6 @@ int __frontswap_load(struct page *page)
 		inc_frontswap_loads();
 	return ret;
 }
-EXPORT_SYMBOL(__frontswap_load);
 
 /*
  * Invalidate any data from frontswap associated with the specified swaptype
@@ -305,7 +301,6 @@ void __frontswap_invalidate_page(unsigned type, pgoff_t offset)
 	__frontswap_clear(sis, offset);
 	inc_frontswap_invalidates();
 }
-EXPORT_SYMBOL(__frontswap_invalidate_page);
 
 /*
  * Invalidate all data from frontswap associated with all offsets for the
@@ -327,7 +322,6 @@ void __frontswap_invalidate_area(unsigned type)
 	atomic_set(&sis->frontswap_pages, 0);
 	bitmap_zero(sis->frontswap_map, sis->max);
 }
-EXPORT_SYMBOL(__frontswap_invalidate_area);
 
 static int __init init_frontswap(void)
 {
-- 
2.30.2