linux6.18: enable highmem for i686

Fixes: #58214

srcpkgs/linux6.18/files/i386-dotconfig

@@ -298,10 +298,14 @@ CONFIG_TRACEPOINTS=y
 #
 # Kexec and crash features
 #
+CONFIG_CRASH_RESERVE=y
 CONFIG_VMCORE_INFO=y
 CONFIG_KEXEC_CORE=y
 CONFIG_KEXEC=y
 # CONFIG_KEXEC_JUMP is not set
+CONFIG_CRASH_DUMP=y
+CONFIG_CRASH_HOTPLUG=y
+CONFIG_CRASH_MAX_MEMORY_RANGES=8192
 # end of Kexec and crash features
 # end of General setup
 
@@ -438,11 +442,12 @@ CONFIG_MICROCODE_INITRD32=y
 # CONFIG_MICROCODE_DBG is not set
 CONFIG_X86_MSR=m
 CONFIG_X86_CPUID=m
-# CONFIG_HIGHMEM4G is not set
+CONFIG_HIGHMEM4G=y
 CONFIG_VMSPLIT_3G=y
 # CONFIG_VMSPLIT_2G is not set
 # CONFIG_VMSPLIT_1G is not set
 CONFIG_PAGE_OFFSET=0xC0000000
+CONFIG_HIGHMEM=y
 CONFIG_X86_PAE=y
 CONFIG_X86_CPA_STATISTICS=y
 CONFIG_ARCH_FLATMEM_ENABLE=y
@@ -480,8 +485,10 @@ CONFIG_ARCH_SUPPORTS_KEXEC_SIG=y
 CONFIG_ARCH_SUPPORTS_KEXEC_SIG_FORCE=y
 CONFIG_ARCH_SUPPORTS_KEXEC_BZIMAGE_VERIFY_SIG=y
 CONFIG_ARCH_SUPPORTS_KEXEC_JUMP=y
+CONFIG_ARCH_SUPPORTS_CRASH_DUMP=y
 CONFIG_ARCH_DEFAULT_CRASH_DUMP=y
 CONFIG_ARCH_SUPPORTS_CRASH_HOTPLUG=y
+CONFIG_ARCH_HAS_GENERIC_CRASHKERNEL_RESERVATION=y
 CONFIG_PHYSICAL_START=0x1000000
 CONFIG_RELOCATABLE=y
 CONFIG_RANDOMIZE_BASE=y
@@ -1103,6 +1110,7 @@ CONFIG_MIGRATION=y
 CONFIG_CONTIG_ALLOC=y
 CONFIG_PCP_BATCH_SCALE_MAX=5
 CONFIG_PHYS_ADDR_T_64BIT=y
+CONFIG_BOUNCE=y
 CONFIG_MMU_NOTIFIER=y
 CONFIG_KSM=y
 CONFIG_DEFAULT_MMAP_MIN_ADDR=65536
@@ -2722,9 +2730,6 @@ CONFIG_SCSI_ISCI=m
 CONFIG_SCSI_IPS=m
 CONFIG_SCSI_INITIO=m
 CONFIG_SCSI_INIA100=m
-CONFIG_SCSI_PPA=m
-CONFIG_SCSI_IMM=m
-# CONFIG_SCSI_IZIP_SLOW_CTR is not set
 CONFIG_SCSI_STEX=m
 CONFIG_SCSI_SYM53C8XX_2=m
 CONFIG_SCSI_SYM53C8XX_DMA_ADDRESSING_MODE=1
@@ -2894,7 +2899,6 @@ CONFIG_DM_THIN_PROVISIONING=m
 CONFIG_DM_CACHE=m
 CONFIG_DM_CACHE_SMQ=m
 # CONFIG_DM_WRITECACHE is not set
-# CONFIG_DM_EBS is not set
 CONFIG_DM_ERA=m
 # CONFIG_DM_CLONE is not set
 CONFIG_DM_MIRROR=m
@@ -8552,7 +8556,6 @@ CONFIG_INFINIBAND_USER_MEM=y
 CONFIG_INFINIBAND_ON_DEMAND_PAGING=y
 CONFIG_INFINIBAND_ADDR_TRANS=y
 CONFIG_INFINIBAND_ADDR_TRANS_CONFIGFS=y
-CONFIG_INFINIBAND_VIRT_DMA=y
 CONFIG_INFINIBAND_CXGB4=m
 CONFIG_MLX4_INFINIBAND=m
 CONFIG_MLX5_INFINIBAND=m
@@ -8561,7 +8564,6 @@ CONFIG_INFINIBAND_MTHCA_DEBUG=y
 CONFIG_INFINIBAND_OCRDMA=m
 CONFIG_INFINIBAND_USNIC=m
 CONFIG_INFINIBAND_VMWARE_PVRDMA=m
-# CONFIG_RDMA_SIW is not set
 CONFIG_INFINIBAND_IPOIB=m
 CONFIG_INFINIBAND_IPOIB_CM=y
 CONFIG_INFINIBAND_IPOIB_DEBUG=y
@@ -10433,6 +10435,8 @@ CONFIG_NTFS_FS=m
 #
 CONFIG_PROC_FS=y
 CONFIG_PROC_KCORE=y
+CONFIG_PROC_VMCORE=y
+# CONFIG_PROC_VMCORE_DEVICE_DUMP is not set
 CONFIG_PROC_SYSCTL=y
 CONFIG_PROC_PAGE_MONITOR=y
 CONFIG_PROC_CHILDREN=y
@@ -11289,6 +11293,7 @@ CONFIG_DEBUG_MEMORY_INIT=y
 # CONFIG_DEBUG_KMAP_LOCAL is not set
 CONFIG_ARCH_SUPPORTS_KMAP_LOCAL_FORCE_MAP=y
 # CONFIG_DEBUG_KMAP_LOCAL_FORCE_MAP is not set
+# CONFIG_DEBUG_HIGHMEM is not set
 CONFIG_HAVE_DEBUG_STACKOVERFLOW=y
 CONFIG_DEBUG_STACKOVERFLOW=y
 # CONFIG_MEM_ALLOC_PROFILING is not set