I know, but it can not allocate all the cache memory, so you will fail sometimes if the memory has not been reclaimed.
在 2012-02-17 15:13:18，"Wang Chao" <wangchao19890207@xxxxxxxxx> 写道： >On 02/16/12 at 09:33pm, 黄小伟 wrote: >> I know this, but I want to reclaim dynamically. Say in a shout time, several seconds. >Why do want to do that? Does it have a bad influence on performance? >Kernel will reclaim these cache itself when your machine runs out of mm. >> >> >> >> >> >> 在 2012-02-16 21:21:11，"Manish Katiyar" <mkatiyar@xxxxxxxxx> 写道： >> >2012/2/16 黄小伟 <jingle2422@xxxxxxx>: >> >> Hi >> >> I encounter a problem recentely. My system supports USB strorage and >> >> other network applications. >> >> But after I put a file to usb storage, it will consume some many >> >> momory. >> >> (buffer + cache). >> >> And these buffered memory can not be reclaimed(use free command). >> >> So I want to know how to reclaim the buffer memory in a short time. >> > >> >Google for ./sys/vm/drop_caches >> > >> >-- >> >Thanks - >> >Manish >> > >> >_______________________________________________ >> >Kernelnewbies mailing list >> >Kernelnewbies@xxxxxxxxxxxxxxxxx >> >http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies > >> _______________________________________________ >> Kernelnewbies mailing list >> Kernelnewbies@xxxxxxxxxxxxxxxxx >> http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies > > >-- >Thanks, >Chao Wang > >_______________________________________________ >Kernelnewbies mailing list >Kernelnewbies@xxxxxxxxxxxxxxxxx >http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies
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