Description: <short summary of the patch>
 TODO: Put a short summary on the line above and replace this paragraph
 with a longer explanation of this change. Complete the meta-information
 with other relevant fields (see below for details). To make it easier, the
 information below has been extracted from the changelog. Adjust it or drop
 it.
 .
 gcl (2.6.12-13) unstable; urgency=medium
 .
   * Version_2_6_13pre16
Author: Camm Maguire <camm@debian.org>

---
The information above should follow the Patch Tagging Guidelines, please
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Origin: <vendor|upstream|other>, <url of original patch>
Bug: <url in upstream bugtracker>
Bug-Debian: https://bugs.debian.org/<bugnumber>
Bug-Ubuntu: https://launchpad.net/bugs/<bugnumber>
Forwarded: <no|not-needed|url proving that it has been forwarded>
Reviewed-By: <name and email of someone who approved the patch>
Last-Update: <YYYY-MM-DD>

--- gcl-2.6.12.orig/o/alloc.c
+++ gcl-2.6.12/o/alloc.c
@@ -749,11 +749,15 @@ alloc_from_freelist(struct typemanager *
 static inline void
 grow_linear1(struct typemanager *tm) {
   
-  fixnum maxgro=resv_pages ? available_pages : 0;
+  if (!sSAoptimize_maximum_pagesA || sSAoptimize_maximum_pagesA->s.s_dbind==Cnil) {
 
-  if (tm->tm_type==t_relocatable) maxgro>>=1;
+    fixnum maxgro=resv_pages ? available_pages : 0;
 
-  set_tm_maxpage(tm,grow_linear(tm->tm_npage,tm->tm_growth_percent,tm->tm_min_grow, tm->tm_max_grow,maxgro));
+    if (tm->tm_type==t_relocatable) maxgro>>=1;
+
+    set_tm_maxpage(tm,grow_linear(tm->tm_npage,tm->tm_growth_percent,tm->tm_min_grow, tm->tm_max_grow,maxgro));
+
+  }
 
 }
 
@@ -802,7 +806,8 @@ do_gc_p(struct typemanager *tm,fixnum n)
 
   pp=gc_page_max*phys_pages;
 
-  return page(recent_allocation)>(1.0+gc_alloc_min-(double)ufmin(cpool,pp)/pp)*data_pages();
+  return page(recent_allocation)>(1.0+gc_alloc_min-(double)ufmin(cpool,pp)/pp)*data_pages() ||
+    2*tpage(tm,n)>available_pages;
 
 }
   
--- gcl-2.6.12.orig/o/main.c
+++ gcl-2.6.12/o/main.c
@@ -236,7 +236,7 @@ get_gc_environ(void) {
     massert(mem_multiple>=0.0);
   }
 
-  gc_alloc_min=0.1;
+  gc_alloc_min=0.05;
   if ((e=getenv("GCL_GC_ALLOC_MIN"))) {
     massert(sscanf(e,"%lf",&gc_alloc_min)==1);
     massert(gc_alloc_min>=0.0);
@@ -280,7 +280,7 @@ setup_maxpages(double scale) {
   resv_pages=available_pages=0;
   available_pages=check_avail_pages();
   
-  resv_pages=40<available_pages ? 40 : available_pages;
+  resv_pages=available_pages/100;
   available_pages-=resv_pages;
   
   recent_allocation=0;