mm: Convert is_page_cache_freeable to XArray

This is just a variable rename and comment change.

Signed-off-by: Matthew Wilcox <willy@infradead.org>
This commit is contained in:
Matthew Wilcox 2018-06-10 07:34:39 -04:00
parent 85b392dbac
commit 67891ffff2
1 changed files with 4 additions and 4 deletions

View File

@ -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)