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.TH "CACHE_REAP" "" "06 October 2005" "" ""

.SH NAME
cache_reap \- Reclaim memory from caches.
.SH SYNOPSIS
"SYNOPSIS"
.sp
\fB
.sp
void cache_reap  ( \fIvoid\fB);
\fR
.SH "ARGUMENTS"
.TP
\fB\fIvoid\fB\fR
no arguments
.SH "DESCRIPTION"
.PP
.PP
Called from a timer, every few seconds
.SH "PURPOSE"
.PP
- clear the per-cpu caches for this CPU.
- return freeable pages to the main free memory pool.
.PP
If we cannot acquire the cache chain semaphore then just give up - we'll
try again next timer interrupt.