From mboxrd@z Thu Jan 1 00:00:00 1970 From: Matthew Wilcox Subject: [PATCH v14 45/74] mm: Convert is_page_cache_freeable to XArray Date: Sat, 16 Jun 2018 19:00:23 -0700 Message-ID: <20180617020052.4759-46-willy@infradead.org> References: <20180617020052.4759-1-willy@infradead.org> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=sourceforge.net; s=x; h=References:In-Reply-To:Message-Id:Date:Subject:Cc: To:From:Sender:Reply-To:MIME-Version:Content-Type:Content-Transfer-Encoding: Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID:List-Id:List-Help:List-Unsubscribe: List-Subscribe:List-Post:List-Owner:List-Archive; bh=QGWajXY6YcCVi/fqymIb3c788sAMALnbzKJrf6tBoCc=; b=fYc/HtWVauMuw/DckHDbKcJio1 tEckuXtThQLs0MqSePxuJNyh3w2IPCyIIPKoSdYBMx/Hvw2md4xU7BnPUzUZNBeVhxJGrTekd4Hau 3m2K9X4l4rZzk24fzcTfcbdeJ2JYiRG4quaxpfxIsjVQbOFXYKw1gAXrNeVRHGglqJd8=; DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=sf.net; s=x ; h=References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From:Sender:Reply-To :MIME-Version:Content-Type:Content-Transfer-Encoding:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Id:List-Help:List-Unsubscribe:List-Subscribe: List-Post:List-Owner:List-Archive; bh=QGWajXY6YcCVi/fqymIb3c788sAMALnbzKJrf6tBoCc=; b=ZMKYIM1jaJlMtF0h0eXC8vfClG HkgMbGh4QWj1nAzpfKTwCJgmGDC17nOgm6Q9u6PBNNzekMu1UOH4zCtsFt3VaTC6393TK/SEwIyek FldBgV60D5Llz/c0oiA6Qc7VJGsU4zbrgDwl8yuXNOdBs9800ANUkLRhVljEJOz9zk20=; DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20170209; h=References:In-Reply-To:Message-Id: Date:Subject:Cc:To:From:Sender:Reply-To:MIME-Version:Content-Type: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id: List-Help:List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=QGWajXY6YcCVi/fqymIb3c788sAMALnbzKJrf6tBoCc=; b=SgMqnn/8xfz2IiRU7lHnx/TBQ aMfcp0dcLWY+F41KJ9xNXcl1kVHMcfojiyv+6mfWW+nsqMK1cJmfmtywd8rZN6kbXZqOzrTNRgLbn IKdpY99/3Bcwf4wIluHRrERHG/bvPiBcKAH6QinISQUF0FAM0DMybtSx4WvKotbChxSzbiNfq3PTi VFgg4eUMGRdQs3NjKJnoStI5jRB7D3/nrEFx8tFWIwZhyMd2IOTFvjN2UJhGb1b2x0NFwNeGCntMx PeAAkzImw2KNN5zdCmvdMwwSGXv6dibwUL/4qjfWLtHB35ute1Z8LY3HSnUF59S/c3g54vG3B++7W DGGYIMFFA==; In-Reply-To: <20180617020052.4759-1-willy@infradead.org> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: linux-f2fs-devel-bounces@lists.sourceforge.net To: linux-mm@kvack.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org Cc: linux-nilfs@vger.kernel.org, Jan Kara , Jeff Layton , Jaegeuk Kim , Matthew Wilcox , linux-f2fs-devel@lists.sourceforge.net, Nicholas Piggin , Ryusuke Konishi , Lukas Czerner , Ross Zwisler , Christoph Hellwig , Goldwyn Rodrigues This is just a variable rename and comment change. Signed-off-by: Matthew Wilcox --- mm/vmscan.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/mm/vmscan.c b/mm/vmscan.c index 0448b1b366d9..575747728ee6 100644 --- a/mm/vmscan.c +++ b/mm/vmscan.c @@ -572,12 +572,12 @@ 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) -- 2.17.1 ------------------------------------------------------------------------------ Check out the vibrant tech community on one of the world's most engaging tech sites, Slashdot.org! http://sdm.link/slashdot