Date: Tue, 10 Jan 2012 18:05:44 +0000 (UTC) From: Konstantin Belousov <kib@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r229934 - head/sys/vm Message-ID: <201201101805.q0AI5i24021661@svn.freebsd.org>
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Author: kib Date: Tue Jan 10 18:05:44 2012 New Revision: 229934 URL: http://svn.freebsd.org/changeset/base/229934 Log: Change the type of the paging_in_progress refcounter from u_short to u_int. With the auto-sized buffer cache on the modern machines, UFS metadata can generate more the 65535 pages belonging to the buffers undergoing i/o, overflowing the counter. Reported and tested by: jimharris Reviewed by: alc MFC after: 1 week Modified: head/sys/vm/vm_object.h Modified: head/sys/vm/vm_object.h ============================================================================== --- head/sys/vm/vm_object.h Tue Jan 10 15:29:03 2012 (r229933) +++ head/sys/vm/vm_object.h Tue Jan 10 18:05:44 2012 (r229934) @@ -96,7 +96,7 @@ struct vm_object { objtype_t type; /* type of pager */ u_short flags; /* see below */ u_short pg_color; /* (c) color of first page in obj */ - u_short paging_in_progress; /* Paging (in or out) so don't collapse or destroy */ + u_int paging_in_progress; /* Paging (in or out) so don't collapse or destroy */ int resident_page_count; /* number of resident pages */ struct vm_object *backing_object; /* object that I'm a shadow of */ vm_ooffset_t backing_object_offset;/* Offset in backing object */
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