linux-kernel - [PATCH, REBASED 3/3] mm: drop PAGE_CACHE_* and page_cache

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Date:	Fri,  1 Apr 2016 15:29:49 +0300
From:	"Kirill A. Shutemov" <kirill.shutemov@...ux.intel.com>
To:	Andrew Morton <akpm@...ux-foundation.org>,
	Alexander Viro <viro@...iv.linux.org.uk>,
	Linus Torvalds <torvalds@...ux-foundation.org>
Cc:	Christoph Lameter <cl@...ux.com>,
	Matthew Wilcox <willy@...ux.intel.com>,
	Hugh Dickins <hughd@...gle.com>, linux-kernel@...r.kernel.org,
	linux-mm@...ck.org, linux-fsdevel@...r.kernel.org,
	"Kirill A. Shutemov" <kirill.shutemov@...ux.intel.com>
Subject: [PATCH, REBASED 3/3] mm: drop PAGE_CACHE_* and page_cache_{get,release} definition

All users gone. We can remove these macros.

Signed-off-by: Kirill A. Shutemov <kirill.shutemov@...ux.intel.com>
Acked-by: Michal Hocko <mhocko@...e.com>
---
 include/linux/pagemap.h | 15 ---------------
 1 file changed, 15 deletions(-)

diff --git a/include/linux/pagemap.h b/include/linux/pagemap.h
index b3fc0370c14f..7e1ab155c67c 100644
--- a/include/linux/pagemap.h
+++ b/include/linux/pagemap.h
@@ -86,21 +86,6 @@ static inline void mapping_set_gfp_mask(struct address_space *m, gfp_t mask)
 				(__force unsigned long)mask;
 }
 
-/*
- * The page cache can be done in larger chunks than
- * one page, because it allows for more efficient
- * throughput (it can then be mapped into user
- * space in smaller chunks for same flexibility).
- *
- * Or rather, it _will_ be done in larger chunks.
- */
-#define PAGE_CACHE_SHIFT	PAGE_SHIFT
-#define PAGE_CACHE_SIZE		PAGE_SIZE
-#define PAGE_CACHE_MASK		PAGE_MASK
-#define PAGE_CACHE_ALIGN(addr)	(((addr)+PAGE_CACHE_SIZE-1)&PAGE_CACHE_MASK)
-
-#define page_cache_get(page)		get_page(page)
-#define page_cache_release(page)	put_page(page)
 void release_pages(struct page **pages, int nr, bool cold);
 
 /*
-- 
2.8.0.rc3