linux-qcom-next: enable ZRAM

ZRAM, when configured by userspace, can provide a compressed swapspace
backed by regular RAM. This generally increases the amount of available
memory, avoiding the need for disk-backed swap.

When it isn't configured by userspace, this does nothing.

Signed-off-by: Koen Kooi <[email protected]>

Author: koenkooi

recipes-kernel/linux/linux-qcom-next/configs/qcom.cfg

@@ -307,3 +307,24 @@ CONFIG_NFT_TPROXY=m
 CONFIG_NFT_TUNNEL=m
 CONFIG_PACKET_DIAG=y
 CONFIG_VETH=m
+
+# ZRAM
+CONFIG_ZRAM=y
+CONFIG_ZRAM_BACKEND_LZ4=y
+CONFIG_ZRAM_BACKEND_LZ4HC=y
+CONFIG_ZRAM_BACKEND_ZSTD=y
+CONFIG_ZRAM_BACKEND_DEFLATE=y
+CONFIG_ZRAM_BACKEND_842=y
+CONFIG_ZRAM_BACKEND_LZO=y
+# CONFIG_ZRAM_DEF_COMP_LZORLE is not set
+CONFIG_ZRAM_DEF_COMP_LZO=y
+# CONFIG_ZRAM_DEF_COMP_LZ4 is not set
+# CONFIG_ZRAM_DEF_COMP_LZ4HC is not set
+# CONFIG_ZRAM_DEF_COMP_ZSTD is not set
+# CONFIG_ZRAM_DEF_COMP_DEFLATE is not set
+# CONFIG_ZRAM_DEF_COMP_842 is not set
+CONFIG_ZRAM_DEF_COMP="lzo"
+CONFIG_ZRAM_WRITEBACK=y
+CONFIG_ZRAM_TRACK_ENTRY_ACTIME=y
+CONFIG_ZRAM_MEMORY_TRACKING=y
+CONFIG_ZRAM_MULTI_COMP=y