value for each lowmem zone in the system. Each lowmem zone gets
a number of reserved free pages based proportionally on its size.
-Some minimal ammount of memory is needed to satisfy PF_MEMALLOC
+Some minimal amount of memory is needed to satisfy PF_MEMALLOC
allocations; if you set this to lower than 1024KB, your system will
become subtly broken, and prone to deadlock under high loads.