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authorChristoph Lameter <clameter@sgi.com>2006-06-30 01:55:35 -0700
committerLinus Torvalds <torvalds@g5.osdl.org>2006-06-30 11:25:34 -0700
commit347ce434d57da80fd5809c0c836f206a50999c26 (patch)
treef730d151be77977f594e5cc083a93bbeb4c602cc /fs/hpfs
parent65ba55f500a37272985d071c9bbb35256a2f7c14 (diff)
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[PATCH] zoned vm counters: conversion of nr_pagecache to per zone counter
Currently a single atomic variable is used to establish the size of the page cache in the whole machine. The zoned VM counters have the same method of implementation as the nr_pagecache code but also allow the determination of the pagecache size per zone. Remove the special implementation for nr_pagecache and make it a zoned counter named NR_FILE_PAGES. Updates of the page cache counters are always performed with interrupts off. We can therefore use the __ variant here. Signed-off-by: Christoph Lameter <clameter@sgi.com> Cc: Trond Myklebust <trond.myklebust@fys.uio.no> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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