Messages in this thread | | | From | Kari Hurtta <> | Subject | Re: [PATCH 3/3][RFC] Containers: Pagecache controller reclaim | Date | 06 Mar 2007 12:24:33 +0200 |
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Vaidyanathan Srinivasan <svaidy@linux.vnet.ibm.com> writes in gmane.linux.kernel,gmane.linux.kernel.mm:
> --- linux-2.6.20.orig/mm/pagecache_acct.c > +++ linux-2.6.20/mm/pagecache_acct.c > @@ -29,6 +29,7 @@ > #include <linux/uaccess.h> > #include <asm/div64.h> > #include <linux/pagecache_acct.h> > +#include <linux/memcontrol.h> > > /* > * Convert unit from pages to kilobytes > @@ -337,12 +338,20 @@ int pagecache_acct_cont_overlimit(struct > return 0; > } > > -extern unsigned long shrink_all_pagecache_memory(unsigned long nr_pages); > +extern unsigned long shrink_container_memory(unsigned int memory_type, > + unsigned long nr_pages, void *container); > > int pagecache_acct_shrink_used(unsigned long nr_pages) > { > unsigned long ret = 0; > atomic_inc(&reclaim_count); > + > + /* Don't call reclaim for each page above limit */ > + if (nr_pages > NR_PAGES_RECLAIM_THRESHOLD) { > + ret += shrink_container_memory( > + RECLAIM_PAGECACHE_MEMORY, nr_pages, NULL); > + } > + > return 0; > } >
'ret' is not used ?
/ Kari Hurtta
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