ANDROID: GKI: ZSMALLOC & ZRAM as modules for arm64

Enable zram and zsmalloc (dependency for zram) as
unprotected modules for aarch64. These are already
being used as modules by the vendor currently; so
needs to be unprotected.

Bug: 230519159
Test: TH
Signed-off-by: Ramji Jiyani <ramjiyani@google.com>
Change-Id: I7c617c1a24f6e083301cbed67d0d323388cbd622

BUILD.bazel

@@ -24,7 +24,20 @@ load("//build/kernel/kleaf:common_kernels.bzl", "define_common_kernels", "define
 # glob(["android/abi_gki_aarch64*"]) differs from
 # KMI_SYMBOL_LIST + ADDITIONAL_KMI_SYMBOL_LISTS in build.config.gki.aarch64,
 # or TRIM_NONLISTED_KMI changes, override kmi_configs here.
-define_common_kernels()
+define_common_kernels(target_configs = {
+    "kernel_aarch64": {
+        "module_outs": [
+            "drivers/block/zram/zram.ko",
+            "mm/zsmalloc.ko",
+        ],
+    },
+    "kernel_aarch64_debug": {
+        "module_outs": [
+            "drivers/block/zram/zram.ko",
+            "mm/zsmalloc.ko",
+        ],
+    },
+})
 
 # Sync with build.config.db845c
 define_db845c(

android/abi_gki_aarch64

@@ -1,4 +1,144 @@
 [abi_symbol_list]
 # commonly used symbols
+  arm64_const_caps_ready
+  __cpuhp_remove_state
+  __cpuhp_setup_state
+  cpu_hwcap_keys
+  kasan_flag_enabled
+  kfree
+  kmalloc_caches
+  kmem_cache_alloc_trace
+  memcpy
   module_layout
+  __per_cpu_offset
+  preempt_schedule
+  _printk
   __put_task_struct
+  __stack_chk_fail
+  __ubsan_handle_cfi_check_fail_abort
+
+# required by zram.ko
+  __alloc_percpu
+  bio_endio
+  bio_end_io_acct_remapped
+  bio_start_io_acct
+  __blk_alloc_disk
+  blk_cleanup_disk
+  blk_queue_flag_clear
+  blk_queue_flag_set
+  blk_queue_io_min
+  blk_queue_io_opt
+  blk_queue_logical_block_size
+  blk_queue_max_discard_sectors
+  blk_queue_max_write_zeroes_sectors
+  blk_queue_physical_block_size
+  __class_register
+  class_unregister
+  __cpuhp_state_add_instance
+  __cpuhp_state_remove_instance
+  cpumask_next
+  __cpu_possible_mask
+  crypto_alloc_base
+  crypto_comp_compress
+  crypto_comp_decompress
+  crypto_destroy_tfm
+  crypto_has_alg
+  del_gendisk
+  device_add_disk
+  disk_end_io_acct
+  disk_start_io_acct
+  down_read
+  down_write
+  flush_dcache_page
+  free_pages
+  free_percpu
+  fsync_bdev
+  __get_free_pages
+  idr_alloc
+  idr_destroy
+  idr_find
+  idr_for_each
+  idr_remove
+  __init_rwsem
+  kstrtoint
+  kstrtou16
+  kstrtoull
+  memparse
+  memset64
+  mutex_is_locked
+  mutex_lock
+  mutex_unlock
+  nr_cpu_ids
+  __num_online_cpus
+  page_endio
+  param_ops_uint
+  __register_blkdev
+  scnprintf
+  set_capacity
+  set_capacity_and_notify
+  snprintf
+  strcmp
+  strcpy
+  strlcpy
+  strlen
+  __sysfs_match_string
+  sysfs_streq
+  unregister_blkdev
+  up_read
+  up_write
+  vfree
+  vzalloc
+  zs_compact
+  zs_create_pool
+  zs_destroy_pool
+  zs_free
+  zs_get_total_pages
+  zs_huge_class_size
+  zs_malloc
+  zs_map_object
+  zs_pool_stats
+  zs_unmap_object
+
+# required by zsmalloc.ko
+  alloc_anon_inode
+  __alloc_pages
+  __ClearPageMovable
+  contig_page_data
+  dec_zone_page_state
+  finish_wait
+  flush_work
+  __free_pages
+  inc_zone_page_state
+  init_pseudo
+  init_wait_entry
+  __init_waitqueue_head
+  iput
+  kern_mount
+  kern_unmount
+  kill_anon_super
+  kmem_cache_alloc
+  kmem_cache_create
+  kmem_cache_destroy
+  kmem_cache_free
+  kstrdup
+  __list_add_valid
+  __list_del_entry_valid
+  __lock_page
+  memstart_addr
+  page_mapping
+  prepare_to_wait_event
+  __put_page
+  queue_work_on
+  _raw_read_lock
+  _raw_read_unlock
+  _raw_spin_lock
+  _raw_spin_unlock
+  _raw_write_lock
+  _raw_write_unlock
+  register_shrinker
+  schedule
+  __SetPageMovable
+  system_wq
+  unlock_page
+  unregister_shrinker
+  __wake_up

android/gki_aarch64_modules

@@ -0,0 +1,2 @@
+mm/zsmalloc.ko
+drivers/block/zram/zram.ko

android/gki_system_dlkm_modules

@@ -0,0 +1,2 @@
+drivers/block/zram/zram.ko
+mm/zsmalloc.ko

arch/arm64/configs/gki_defconfig

@@ -116,6 +116,7 @@ CONFIG_CLEANCACHE=y
 CONFIG_CMA=y
 CONFIG_CMA_DEBUGFS=y
 CONFIG_CMA_AREAS=16
+CONFIG_ZSMALLOC=m
 # CONFIG_ZONE_DMA is not set
 CONFIG_ANON_VMA_NAME=y
 CONFIG_LRU_GEN=y
@@ -300,6 +301,7 @@ CONFIG_ARM_SCPI_PROTOCOL=y
 # CONFIG_ARM_SCPI_POWER_DOMAIN is not set
 # CONFIG_EFI_ARMSTUB_DTB_LOADER is not set
 CONFIG_GNSS=y
+CONFIG_ZRAM=m
 CONFIG_BLK_DEV_LOOP=y
 CONFIG_BLK_DEV_LOOP_MIN_COUNT=16
 CONFIG_BLK_DEV_RAM=y