default SYS_ALLOC_SIZE set to 8MB

linux.preset

@@ -1,5 +1,5 @@
 set(WITH_SYSTEM_CALLS "mmap" CACHE STRING "Choose what system calls can be used, options are: none, sbrk, mmap")
-set(SYS_ALLOC_SIZE 32768 CACHE INTEGER "Choose the default system allocation size")
+set(SYS_ALLOC_SIZE 8388608 CACHE INTEGER "Choose the default system allocation size")
 option(HAVE_LOCKS "Build with POSIX locking mechanisms" ON)
 option(TRYLOCK_ON_MALLOC "Use a trylock on malloc()" ON)
 set(FITTING_POLICY "good" CACHE STRING "Choose the fitting policy in freelist-organized raw blocks, options are: best, exact, first, good")