I've put an updated version of user beancounter patch intended to provide
advanced resource control and protection against local denial-of-service
attacks.
This patch introduces the initial version of memory consumption control in
term of guarantees. The list of differences from the previous version is:
- accounting for unswappable memory used by socket buffers;
- resident size guarantees;
- limits for IPC and anonymous shared memory,
small mainstream kernel bug in mm/mmap.c (MAP_SHARED case) is fixed;
- allocation guarantees (mmap/brk success);
- guarantees against kills because of out-of-memory.
Patch web page is
http://www.asplinux.com.sg/install/ubpatch.html
the patch itself
http://www.asplinux.com.sg/install/user_beancounter-IV-current
The small program for patch testing
http://www.asplinux.com.sg/install/ulim4.c
Best regards
Andrey V.
Savochkin
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