aptenodytes: Enable compressed swap pages (ZSWAP)

Chose zsmalloc for now.

aptenodytes-config

@@ -75,6 +75,7 @@ CONFIG_GENERIC_IRQ_MATRIX_ALLOCATOR=y
 CONFIG_GENERIC_IRQ_RESERVATION_MODE=y
 CONFIG_IRQ_FORCED_THREADING=y
 CONFIG_SPARSE_IRQ=y
+# CONFIG_GENERIC_IRQ_DEBUGFS is not set
 # end of IRQ subsystem
 
 CONFIG_CLOCKSOURCE_WATCHDOG=y
@@ -166,6 +167,7 @@ CONFIG_IKCONFIG_PROC=y
 CONFIG_LOG_BUF_SHIFT=25
 CONFIG_LOG_CPU_MAX_BUF_SHIFT=12
 CONFIG_PRINTK_SAFE_LOG_BUF_SHIFT=13
+# CONFIG_PRINTK_INDEX is not set
 CONFIG_HAVE_UNSTABLE_SCHED_CLOCK=y
 
 #
@@ -378,6 +380,7 @@ CONFIG_MICROCODE_AMD=y
 # CONFIG_X86_CPUID is not set
 # CONFIG_X86_5LEVEL is not set
 CONFIG_X86_DIRECT_GBPAGES=y
+# CONFIG_X86_CPA_STATISTICS is not set
 # CONFIG_AMD_MEM_ENCRYPT is not set
 # CONFIG_NUMA is not set
 CONFIG_ARCH_SPARSEMEM_ENABLE=y
@@ -478,6 +481,7 @@ CONFIG_ACPI_CONTAINER=y
 CONFIG_ACPI_HOTPLUG_IOAPIC=y
 # CONFIG_ACPI_SBS is not set
 CONFIG_ACPI_HED=y
+# CONFIG_ACPI_CUSTOM_METHOD is not set
 # CONFIG_ACPI_REDUCED_HARDWARE_ONLY is not set
 CONFIG_ACPI_NFIT=y
 # CONFIG_NFIT_SECURITY_DEBUG is not set
@@ -693,6 +697,7 @@ CONFIG_STRICT_KERNEL_RWX=y
 CONFIG_ARCH_HAS_STRICT_MODULE_RWX=y
 CONFIG_STRICT_MODULE_RWX=y
 CONFIG_HAVE_ARCH_PREL32_RELOCATIONS=y
+# CONFIG_LOCK_EVENT_COUNTS is not set
 CONFIG_ARCH_HAS_MEM_ENCRYPT=y
 CONFIG_HAVE_STATIC_CALL=y
 CONFIG_HAVE_STATIC_CALL_INLINE=y
@@ -709,6 +714,7 @@ CONFIG_ARCH_HAS_NONLEAF_PMD_YOUNG=y
 #
 # GCOV-based kernel profiling
 #
+# CONFIG_GCOV_KERNEL is not set
 CONFIG_ARCH_HAS_GCOV_PROFILE_ALL=y
 # end of GCOV-based kernel profiling
 
@@ -765,6 +771,7 @@ CONFIG_BLK_WBT_MQ=y
 CONFIG_BLK_CGROUP_IOLATENCY=y
 CONFIG_BLK_CGROUP_IOCOST=y
 # CONFIG_BLK_CGROUP_IOPRIO is not set
+CONFIG_BLK_DEBUG_FS=y
 # CONFIG_BLK_SED_OPAL is not set
 # CONFIG_BLK_INLINE_ENCRYPTION is not set
 
@@ -839,8 +846,25 @@ CONFIG_COREDUMP=y
 #
 # Memory Management options
 #
+CONFIG_ZPOOL=y
 CONFIG_SWAP=y
-# CONFIG_ZSWAP is not set
+CONFIG_ZSWAP=y
+CONFIG_ZSWAP_DEFAULT_ON=y
+# CONFIG_ZSWAP_COMPRESSOR_DEFAULT_DEFLATE is not set
+CONFIG_ZSWAP_COMPRESSOR_DEFAULT_LZO=y
+# CONFIG_ZSWAP_COMPRESSOR_DEFAULT_842 is not set
+# CONFIG_ZSWAP_COMPRESSOR_DEFAULT_LZ4 is not set
+# CONFIG_ZSWAP_COMPRESSOR_DEFAULT_LZ4HC is not set
+# CONFIG_ZSWAP_COMPRESSOR_DEFAULT_ZSTD is not set
+CONFIG_ZSWAP_COMPRESSOR_DEFAULT="lzo"
+# CONFIG_ZSWAP_ZPOOL_DEFAULT_ZBUD is not set
+# CONFIG_ZSWAP_ZPOOL_DEFAULT_Z3FOLD is not set
+CONFIG_ZSWAP_ZPOOL_DEFAULT_ZSMALLOC=y
+CONFIG_ZSWAP_ZPOOL_DEFAULT="zsmalloc"
+# CONFIG_ZBUD is not set
+# CONFIG_Z3FOLD is not set
+CONFIG_ZSMALLOC=y
+CONFIG_ZSMALLOC_STAT=y
 
 #
 # SLAB allocator options
@@ -890,6 +914,7 @@ CONFIG_THP_SWAP=y
 CONFIG_NEED_PER_CPU_EMBED_FIRST_CHUNK=y
 CONFIG_NEED_PER_CPU_PAGE_FIRST_CHUNK=y
 CONFIG_HAVE_SETUP_PER_CPU_AREA=y
+CONFIG_FRONTSWAP=y
 # CONFIG_CMA is not set
 CONFIG_GENERIC_EARLY_IOREMAP=y
 # CONFIG_DEFERRED_STRUCT_PAGE_INIT is not set
@@ -902,10 +927,7 @@ CONFIG_ZONE_DMA=y
 CONFIG_ZONE_DMA32=y
 CONFIG_VM_EVENT_COUNTERS=y
 # CONFIG_PERCPU_STATS is not set
-
-#
-# GUP_TEST needs to have DEBUG_FS enabled
-#
+# CONFIG_GUP_TEST is not set
 CONFIG_ARCH_HAS_PTE_SPECIAL=y
 CONFIG_SECRETMEM=y
 # CONFIG_ANON_VMA_NAME is not set
@@ -1931,6 +1953,7 @@ CONFIG_NET_VENDOR_VERTEXCOM=y
 
 # CONFIG_VMXNET3 is not set
 # CONFIG_FUJITSU_ES is not set
+# CONFIG_NETDEVSIM is not set
 CONFIG_NET_FAILOVER=y
 # CONFIG_ISDN is not set
 
@@ -2573,6 +2596,7 @@ CONFIG_IOMMU_SUPPORT=y
 CONFIG_IOMMU_IO_PGTABLE=y
 # end of Generic IOMMU Pagetable Support
 
+# CONFIG_IOMMU_DEBUGFS is not set
 # CONFIG_IOMMU_DEFAULT_DMA_STRICT is not set
 CONFIG_IOMMU_DEFAULT_DMA_LAZY=y
 # CONFIG_IOMMU_DEFAULT_PASSTHROUGH is not set
@@ -3340,6 +3364,7 @@ CONFIG_NEED_DMA_MAP_STATE=y
 CONFIG_ARCH_DMA_ADDR_T_64BIT=y
 CONFIG_SWIOTLB=y
 # CONFIG_DMA_API_DEBUG is not set
+# CONFIG_DMA_MAP_BENCHMARK is not set
 CONFIG_SGL_ALLOC=y
 # CONFIG_FORCE_NR_CPUS is not set
 CONFIG_CPU_RMAP=y
@@ -3412,7 +3437,10 @@ CONFIG_OBJTOOL=y
 # Generic Kernel Debugging Instruments
 #
 # CONFIG_MAGIC_SYSRQ is not set
-# CONFIG_DEBUG_FS is not set
+CONFIG_DEBUG_FS=y
+CONFIG_DEBUG_FS_ALLOW_ALL=y
+# CONFIG_DEBUG_FS_DISALLOW_MOUNT is not set
+# CONFIG_DEBUG_FS_ALLOW_NONE is not set
 CONFIG_HAVE_ARCH_KGDB=y
 # CONFIG_KGDB is not set
 CONFIG_ARCH_HAS_UBSAN_SANITIZE_ALL=y
@@ -3445,7 +3473,9 @@ CONFIG_ARCH_HAS_DEBUG_WX=y
 CONFIG_DEBUG_WX=y
 CONFIG_GENERIC_PTDUMP=y
 CONFIG_PTDUMP_CORE=y
+# CONFIG_PTDUMP_DEBUGFS is not set
 # CONFIG_DEBUG_OBJECTS is not set
+# CONFIG_SHRINKER_DEBUG is not set
 CONFIG_HAVE_DEBUG_KMEMLEAK=y
 # CONFIG_DEBUG_KMEMLEAK is not set
 # CONFIG_DEBUG_STACK_USAGE is not set
@@ -3596,6 +3626,7 @@ CONFIG_HAVE_MMIOTRACE_SUPPORT=y
 # CONFIG_IO_DELAY_0XED is not set
 # CONFIG_IO_DELAY_UDELAY is not set
 CONFIG_IO_DELAY_NONE=y
+# CONFIG_DEBUG_BOOT_PARAMS is not set
 # CONFIG_CPA_DEBUG is not set
 # CONFIG_DEBUG_ENTRY is not set
 # CONFIG_DEBUG_NMI_SELFTEST is not set