Copyright (c) 2003 Bruce M Simpson <bms@spc.org>
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$FreeBSD$
.Dd July 9, 2011 .Dt VM_MAP_SYNC 9 .Os .Sh NAME .Nm vm_map_sync .Nd push dirty pages to their pager .Sh SYNOPSIS n sys/param.h n vm/vm.h n vm/vm_map.h .Ft int .Fo vm_map_sync .Fa "vm_map_t map" "vm_offset_t start" "vm_offset_t end" "boolean_t syncio" .Fa "boolean_t invalidate" .Fc .Sh DESCRIPTION The .Fn vm_map_sync function forces any dirty cached pages in the range .Fa start to .Fa end within the .Fa map to be pushed to their underlying pager.
p If .Fa syncio is TRUE, dirty pages are written synchronously.
p If .Fa invalidate is TRUE, any cached pages are also freed.
p The range provided must be contiguous, it MUST NOT contain holes. The range provided MUST NOT contain any sub-map entries. .Sh RETURN VALUES The .Fn vm_map_sync function returns .Dv KERN_SUCCESS if successful.
p Otherwise, .Dv KERN_INVALID_ADDRESS will be returned if the function encountered a sub-map entry; .Dv KERN_INVALID_ARGUMENT will be returned if the function encountered a hole in the region provided, or if an entry could not be found for the given start address. .Sh SEE ALSO .Xr vm_map 9 .Sh AUTHORS This manual page was written by .An Bruce M Simpson Aq Mt bms@spc.org .