Commit 67891fff authored by Matthew Wilcox's avatar Matthew Wilcox
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mm: Convert is_page_cache_freeable to XArray 



This is just a variable rename and comment change.

Signed-off-by: default avatarMatthew Wilcox <willy@infradead.org>
parent 85b392db

mm/vmscan.c

+4 −4
Original line number Diff line number Diff line
@@ -742,12 +742,12 @@ static inline int is_page_cache_freeable(struct page *page) 
{

	/*

	 * A freeable page cache page is referenced only by the caller

	 * that isolated the page, the page cache radix tree and

	 * optional buffer heads at page->private.

	 * that isolated the page, the page cache and optional buffer

	 * heads at page->private.

	 */

	int radix_pins = PageTransHuge(page) && PageSwapCache(page) ?

	int page_cache_pins = PageTransHuge(page) && PageSwapCache(page) ?

		HPAGE_PMD_NR : 1;

	return page_count(page) - page_has_private(page) == 1 + radix_pins;

	return page_count(page) - page_has_private(page) == 1 + page_cache_pins;

}



static int may_write_to_inode(struct inode *inode, struct scan_control *sc)