uprobes: Kill uprobe_events, use RB_EMPTY_ROOT() instead

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uprobe_events counts the number of uprobes in uprobes_tree but
it is used as a boolean. We can use RB_EMPTY_ROOT() instead.

Probably no_uprobe_events() added by this patch can have more
callers, say, mmf_recalc_uprobes().

Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Acked-by: Anton Arapov <anton@redhat.com>
Acked-by: Srikar Dronamraju <srikar@linux.vnet.ibm.com>

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Oleg Nesterov 2012-11-25 19:54:29 +01:00

parent d4d3ccc6d1

commit 441f1eb7db

1 changed files with 7 additions and 12 deletions

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kernel/events/uprobes.c

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