precompile.patch

diff --git a/core/Makefile b/core/Makefile
index b3f719a4f..2b1b9b638 100644
--- a/core/Makefile
+++ b/core/Makefile
@@ -657,6 +657,12 @@ ifdef INTERNAL_KERNEL_CMDLINE
 INTERNAL_BOOTIMAGE_ARGS += --cmdline "$(INTERNAL_KERNEL_CMDLINE)"
 endif
 
+ifeq (true,$(strip $(TARGET_RECOVERY_HAS_PREBUILT_KERNEL)))
+  ifdef TARGET_RECOVERY_KERNEL_CMDLINE
+    INTERNAL_RECOVERYIMAGE_KERNEL_CMDLINE := $(strip $(TARGET_RECOVERY_KERNEL_CMDLINE) buildvariant=$(TARGET_BUILD_VARIANT) $(VERITY_KEYID))
+  endif
+endif
+
 INTERNAL_MKBOOTIMG_VERSION_ARGS := \
     --os_version $(PLATFORM_VERSION) \
     --os_patch_level $(PLATFORM_SECURITY_PATCH)
@@ -1106,7 +1112,11 @@ recovery_sepolicy := \
 # SELinux files
 IGNORE_RECOVERY_SEPOLICY := $(patsubst $(TARGET_RECOVERY_OUT)/%,--exclude=/%,$(recovery_sepolicy))
 
+ifeq (true,$(strip $(TARGET_RECOVERY_HAS_PREBUILT_KERNEL)))
+recovery_kernel := $(TARGET_RECOVERY_PREBUILT_KERNEL) # use prebuilt kernel
+else
 recovery_kernel := $(INSTALLED_KERNEL_TARGET) # same as a non-recovery system
+endif
 recovery_ramdisk := $(PRODUCT_OUT)/ramdisk-recovery.img
 recovery_uncompressed_ramdisk := $(PRODUCT_OUT)/ramdisk-recovery.cpio
 recovery_build_props := $(intermediate_system_build_prop)
@@ -1201,18 +1211,36 @@ INTERNAL_RECOVERYIMAGE_ARGS := \
 	--ramdisk $(recovery_ramdisk)
 
 # Assumes this has already been stripped
-ifdef INTERNAL_KERNEL_CMDLINE
-  INTERNAL_RECOVERYIMAGE_ARGS += --cmdline "$(INTERNAL_KERNEL_CMDLINE)"
+ifdef INTERNAL_RECOVERYIMAGE_KERNEL_CMDLINE
+  INTERNAL_RECOVERYIMAGE_ARGS += --cmdline "$(INTERNAL_RECOVERYIMAGE_KERNEL_CMDLINE)"
+else 
+  ifdef INTERNAL_KERNEL_CMDLINE
+    INTERNAL_RECOVERYIMAGE_ARGS += --cmdline "$(INTERNAL_KERNEL_CMDLINE)"
+  endif
 endif
-ifdef BOARD_KERNEL_BASE
-  INTERNAL_RECOVERYIMAGE_ARGS += --base $(BOARD_KERNEL_BASE)
+ifdef TARGET_RECOVERY_KERNEL_BASE
+  INTERNAL_RECOVERYIMAGE_ARGS += --base $(TARGET_RECOVERY_KERNEL_BASE)
+else
+  ifdef BOARD_KERNEL_BASE
+    INTERNAL_RECOVERYIMAGE_ARGS += --base $(BOARD_KERNEL_BASE)
+  endif
 endif
-ifdef BOARD_KERNEL_PAGESIZE
-  INTERNAL_RECOVERYIMAGE_ARGS += --pagesize $(BOARD_KERNEL_PAGESIZE)
+ifdef TARGET_RECOVERY_KERNEL_PAGESIZE
+  INTERNAL_RECOVERYIMAGE_ARGS += --pagesize $(TARGET_RECOVERY_KERNEL_PAGESIZE)
+else
+  ifdef BOARD_KERNEL_PAGESIZE
+    INTERNAL_RECOVERYIMAGE_ARGS += --pagesize $(BOARD_KERNEL_PAGESIZE)
+  endif
 endif
 ifeq ($(strip $(BOARD_KERNEL_SEPARATED_DT)),true)
-  INTERNAL_RECOVERYIMAGE_ARGS += --dt $(INSTALLED_DTIMAGE_TARGET)
-  RECOVERYIMAGE_EXTRA_DEPS    := $(INSTALLED_DTIMAGE_TARGET)
+  # Use prebuilt DT
+  ifeq(true,$(strip $(TARGET_RECOVERY_HAS_PREBUILT_KERNEL)))
+    INTERNAL_RECOVERYIMAGE_ARGS += --dt $(TARGET_RECOVERY_PREBUILT_DT)
+    RECOVERYIMAGE_EXTRA_DEPS	:= $(TARGET_RECOVERY_PREBUILT_DT)
+  else
+    INTERNAL_RECOVERYIMAGE_ARGS += --dt $(INSTALLED_DTIMAGE_TARGET)
+    RECOVERYIMAGE_EXTRA_DEPS    := $(INSTALLED_DTIMAGE_TARGET)
+  endif
 endif
 
 # Keys authorized to sign OTA packages this build will accept.  The

Recovery shits.mk

11345920 > 10855680 - 270336
11341824

**Hack this to use precompiled kernel**
[build/core/Makefile]:1109
  recovery_kernel := $(INSTALLED_KERNEL_TARGET) # same as a non-recovery system

TARGET_KERNEL_SOURCE
  ./device/motorola/msm8226-common/BoardConfigCommon.mk:50:TARGET_KERNEL_SOURCE := kernel/motorola/msm8226
  ./vendor/lineage/build/tasks/kernel.mk:24:#   TARGET_KERNEL_SOURCE               = Kernel source dir, optional, defaults
  ./vendor/lineage/build/tasks/kernel.mk:77:TARGET_KERNEL_SOURCE ?= $(TARGET_AUTO_KDIR)
  ./vendor/lineage/build/tasks/kernel.mk:78:KERNEL_SRC := $(TARGET_KERNEL_SOURCE)
  
  
 THE EDIT BELLOW IS NOT RECOMMENDED!!! IT OVERWRITES DT AND KERNEL!!!