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[PATCH v6 2/2] tools/xenstore: set open file descriptor limit for xenstored

Juergen Gross writes ("[PATCH v6 2/2] tools/xenstore: set open file descriptor 
limit for xenstored"):
> Add a configuration item for the maximum number of open file
> descriptors xenstored should be allowed to have.
> The default should be "unlimited" in order not to restrict xenstored
> in the number of domains it can support, but unfortunately the kernel
> is normally limiting the maximum value via /proc/sys/fs/nr_open [1],
> [2]. So check that file to exist and if it does, limit the maximum
> value to the one specified by /proc/sys/fs/nr_open.
> As an aid for the admin configuring the value add a comment specifying
> the common needs of xenstored for the different domain types.
> [1]: 
> https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=60fd760fb9ff7034360bab7137c917c0330628c2
> [2]: 
> https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=0c2d64fb6cae9aae480f6a46cfe79f8d7d48b59f
> Signed-off-by: Juergen Gross <jgross@xxxxxxxx>

Reviewed-by: Ian Jackson <iwj@xxxxxxxxxxxxxx>



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