nova: fix oom handling in kernel

Fixes #2126

repos/base-nova/ports/nova.hash

@@ -1 +1 @@
-6f6dc94fadf93e9fad741bbf6b2938f92e45f948
+dcaeb80c39a8f324129517bed071191b2243a8a7

repos/base-nova/ports/nova.port

@@ -4,7 +4,7 @@ DOWNLOADS := nova.git
 
 # r9 branch - use r9_debug for more verbose kernel messages
 URL(nova) := https://github.com/alex-ab/NOVA.git
-REV(nova) := bc5851221c412aa92d06c57b5b41944dd2ab08ae
+REV(nova) := 6ad6dcece4ab9fb5c0caab0a0734c3082c5753c4
 DIR(nova) := src/kernel/nova
 
 PATCHES   := $(wildcard $(REP_DIR)/patches/*.patch)

repos/base-nova/src/kernel/target.mk

@@ -21,11 +21,11 @@ CC_OPT          += -pipe \
                    -fno-stack-protector -fvisibility-inlines-hidden \
                    -fno-asynchronous-unwind-tables -std=gnu++0x 
 ifeq ($(filter-out $(SPECS),32bit),)
-CC_WARN         += -Wframe-larger-than=64
+CC_WARN         += -Wframe-larger-than=92
 CC_OPT          += -mpreferred-stack-boundary=2 -mregparm=3
 else
 ifeq ($(filter-out $(SPECS),64bit),)
-CC_WARN         += -Wframe-larger-than=144
+CC_WARN         += -Wframe-larger-than=240
 CC_OPT          += -mpreferred-stack-boundary=4 -mcmodel=kernel -mno-red-zone
 else
 $(error Unsupported environment)