[tor-commits] [tor/master] Lower the file limit in consdiffmgr, to support seccomp2

[nickm@xxxxxxxxxxxxxx]

commit 466e9140888f0a6a504dc642a0426bd2352f0490
Author: Nick Mathewson <nickm@xxxxxxxxxxxxxx>
Date:   Wed Apr 26 09:29:58 2017 -0400

    Lower the file limit in consdiffmgr, to support seccomp2
---
 src/or/consdiffmgr.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/or/consdiffmgr.c b/src/or/consdiffmgr.c
index 160dcaf..fb09d21 100644
--- a/src/or/consdiffmgr.c
+++ b/src/or/consdiffmgr.c
@@ -101,7 +101,10 @@ static HT_HEAD(cdm_diff_ht, cdm_diff_t) cdm_diff_ht = HT_INITIALIZER();
  */
 static consdiff_cfg_t consdiff_cfg = {
   /* .cache_max_age_hours = */ 24 * 90,
-  /* .cache_max_num = */ 1440
+  // XXXX I'd like to make this number bigger, but it interferes with the
+  // XXXX seccomp2 syscall filter, which tops out at BPF_MAXINS (4096)
+  // XXXX rules.
+  /* .cache_max_num = */ 128
 };
 
 static int consensus_diff_queue_diff_work(consensus_cache_entry_t *diff_from,



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