[tor-commits] [tor/master] Merge branch 'bug13806_squashed'

[nickm@xxxxxxxxxxxxxx]

commit c2e200cef8b910434d8b5d251597081935392377
Merge: b0c3210 3033ba9
Author: Nick Mathewson <nickm@xxxxxxxxxxxxxx>
Date:   Mon Jan 12 13:59:26 2015 -0500

    Merge branch 'bug13806_squashed'
    
    Conflicts:
    	src/or/relay.c

 changes/bug13806    |    8 ++++
 src/or/main.c       |    2 +-
 src/or/or.h         |    2 +
 src/or/relay.c      |   18 ++++++--
 src/or/rendcommon.c |  121 ++++++++++++++++++++++++++++++++++++++++++---------
 src/or/rendcommon.h |    4 +-
 6 files changed, 129 insertions(+), 26 deletions(-)

diff --cc src/or/relay.c
index 2d11096,50070b7..28211ff
--- a/src/or/relay.c
+++ b/src/or/relay.c
@@@ -2447,13 -2441,22 +2447,25 @@@ cell_queues_check_size(void
    size_t alloc = cell_queues_get_total_allocation();
    alloc += buf_get_total_allocation();
    alloc += tor_zlib_get_total_allocation();
+   const size_t rend_cache_total = rend_cache_get_total_allocation();
+   alloc += rend_cache_total;
 +  if (alloc >= get_options()->MaxMemInQueues_low_threshold) {
 +    last_time_under_memory_pressure = approx_time();
-     if (alloc >= get_options()->MaxMemInQueues) {
-       circuits_handle_oom(alloc);
-       return 1;
+   if (alloc >= get_options()->MaxMemInQueues) {
+     /* If we're spending over 20% of the memory limit on hidden service
+      * descriptors, free them until we're down to 10%.
+      */
+     if (rend_cache_total > get_options()->MaxMemInQueues / 5) {
+       const size_t bytes_to_remove =
+         rend_cache_total - (get_options()->MaxMemInQueues / 10);
+       rend_cache_clean_v2_descs_as_dir(time(NULL), bytes_to_remove);
+       alloc -= rend_cache_total;
+       alloc += rend_cache_get_total_allocation();
      }
+     circuits_handle_oom(alloc);
+     return 1;
+   }
 +  }
    return 0;
  }
  



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