https://github.com/torvalds/linux
Revision f03d78db65085609938fdb686238867e65003181 authored by Eric Dumazet on 07 July 2011, 07:27:05 UTC, committed by David S. Miller on 07 July 2011, 07:27:05 UTC
Current tcp/udp/sctp global memory limits are not taking into account hugepages allocations, and allow 50% of ram to be used by buffers of a single protocol [ not counting space used by sockets / inodes ...] Lets use nr_free_buffer_pages() and allow a default of 1/8 of kernel ram per protocol, and a minimum of 128 pages. Heavy duty machines sysadmins probably need to tweak limits anyway. References: https://bugzilla.stlinux.com/show_bug.cgi?id=38032 Reported-by: starlight <starlight@binnacle.cx> Suggested-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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History 
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Tip revision: f03d78db65085609938fdb686238867e65003181 authored by Eric Dumazet on 07 July 2011, 07:27:05 UTC
net: refine {udp|tcp|sctp}_mem limits
net: refine {udp|tcp|sctp}_mem limits
Tip revision: f03d78d
| File | Mode | Size |
|---|---|---|
| Documentation | ||
| arch | ||
| block | ||
| crypto | ||
| drivers | ||
| firmware | ||
| fs | ||
| include | ||
| init | ||
| ipc | ||
| kernel | ||
| lib | ||
| mm | ||
| net | ||
| samples | ||
| scripts | ||
| security | ||
| sound | ||
| tools | ||
| usr | ||
| virt | ||
| .gitignore | -rw-r--r-- | 966 bytes |
| .mailmap | -rw-r--r-- | 4.2 KB |
| COPYING | -rw-r--r-- | 18.3 KB |
| CREDITS | -rw-r--r-- | 92.3 KB |
| Kbuild | -rw-r--r-- | 2.4 KB |
| Kconfig | -rw-r--r-- | 252 bytes |
| MAINTAINERS | -rw-r--r-- | 190.3 KB |
| Makefile | -rw-r--r-- | 52.2 KB |
| README | -rw-r--r-- | 17.1 KB |
| REPORTING-BUGS | -rw-r--r-- | 3.3 KB |
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