By this reservation, we are assigning some space for common errors like dict_{get,set},memory accounting..etc. Change-Id: Iee0f65b3dc4e00819f344bed01989352a4f8a87b BUG: 1194640. Signed-off-by: Humble Devassy Chirammal <hchiramm@redhat.com> Reviewed-on: http://review.gluster.org/9752 Tested-by: Gluster Build System <jenkins@build.gluster.com> Tested-by: N Balachandran <nbalacha@redhat.com> Reviewed-by: Shyamsundar Ranganathan <srangana@redhat.com>