From a5477c7bb9a9ae43bcdea6cdcf4a3335a78c3810 Mon Sep 17 00:00:00 2001
From: Nick Mathewson <nickm@torproject.org>
Date: Fri, 27 Jul 2007 19:53:29 +0000
Subject: [PATCH]  r13944@catbus:  nickm | 2007-07-27 15:52:35 -0400  Fix
 warnings on platforms where rlim values can be signed.  Add an 8k buffer
 freelist.

svn:r10948
---
 src/common/compat.c | 6 +++---
 src/or/buffers.c    | 7 +++++--
 2 files changed, 8 insertions(+), 5 deletions(-)

diff --git a/src/common/compat.c b/src/common/compat.c
index 0aa7909c0a..eee9b87b09 100644
--- a/src/common/compat.c
+++ b/src/common/compat.c
@@ -679,14 +679,14 @@ set_max_file_descriptors(unsigned long limit, unsigned long cap)
              strerror(errno));
     return -1;
   }
-  if (rlim.rlim_max < limit) {
+  if ((unsigned long)rlim.rlim_max < limit) {
     log_warn(LD_CONFIG,"We need %lu file descriptors available, and we're "
              "limited to %lu. Please change your ulimit -n.",
              limit, (unsigned long)rlim.rlim_max);
     return -1;
   }
-  most = (rlim.rlim_max > cap) ? cap : (unsigned) rlim.rlim_max;
-  if (most > rlim.rlim_cur) {
+  most = ((unsigned long)rlim.rlim_max > cap) ? cap : (unsigned) rlim.rlim_max;
+  if (most > (unsigned long)rlim.rlim_cur) {
     log_info(LD_NET,"Raising max file descriptors from %lu to %lu.",
              (unsigned long)rlim.rlim_cur, most);
   }
diff --git a/src/or/buffers.c b/src/or/buffers.c
index 1087a7a6fa..05132fa196 100644
--- a/src/or/buffers.c
+++ b/src/or/buffers.c
@@ -178,10 +178,11 @@ typedef struct free_mem_list_t {
 /** Freelists to hold 4k and 16k memory chunks.  This seems to be what
  * we use most. */
 static free_mem_list_t free_mem_list_4k = { NULL, 0, 0, 4096, 16, INT_MAX };
-static free_mem_list_t free_mem_list_16k = { NULL, 0, 0, 16384, 4, 128 };
+static free_mem_list_t free_mem_list_8k = { NULL, 0, 0, 8192 , 8, 128 };
+static free_mem_list_t free_mem_list_16k = { NULL, 0, 0, 16384, 4, 64 };
 
 /** Macro: True iff the size is one for which we keep a freelist. */
-#define IS_FREELIST_SIZE(sz) ((sz) == 4096 || (sz) == 16384)
+#define IS_FREELIST_SIZE(sz) ((sz) == 4096 || (sz) == 8192 || (sz) == 16384)
 
 /** Return the proper freelist for chunks of size <b>sz</b>, or fail
  * with an assertion. */
@@ -190,6 +191,8 @@ get_free_mem_list(size_t sz)
 {
   if (sz == 4096) {
     return &free_mem_list_4k;
+  } else if (sz == 8192) {
+    return &free_mem_list_8k;
   } else {
     tor_assert(sz == 16384);
     return &free_mem_list_16k;