[openwrt/openwrt] package/zram: update for kernel 6.12

[LEDE Commits]

ansuel pushed a commit to openwrt/openwrt.git, branch main:
https://git.openwrt.org/4708057e27532bb6be726b35788800db0109ca09

commit 4708057e27532bb6be726b35788800db0109ca09
Author: Mieczyslaw Nalewaj <namiltd at yahoo.com>
AuthorDate: Sun Apr 27 18:46:31 2025 +0200

    package/zram: update for kernel 6.12
    
    Updated for compatibility with kernels 6.6 and 6.12.
    
    Signed-off-by: Mieczyslaw Nalewaj <namiltd at yahoo.com>
    Link: https://github.com/openwrt/openwrt/pull/16547
    Signed-off-by: Christian Marangi <ansuelsmth at gmail.com>
---
 package/kernel/linux/modules/other.mk | 44 ++++++++++++++++++++++++++---------
 1 file changed, 33 insertions(+), 11 deletions(-)

diff --git a/package/kernel/linux/modules/other.mk b/package/kernel/linux/modules/other.mk
index e93a9b8407..ff80cd8d27 100644
--- a/package/kernel/linux/modules/other.mk
+++ b/package/kernel/linux/modules/other.mk
@@ -687,6 +687,11 @@ $(eval $(call KernelPackage,ikconfig))
 
 define KernelPackage/zram
   SUBMENU:=$(OTHER_MENU)
+  DEPENDS:= \
+	+(KERNEL_ZRAM_BACKEND_LZO||KERNEL_ZRAM_DEF_COMP_LZORLE||KERNEL_ZRAM_DEF_COMP_LZO):kmod-lib-lzo \
+	+(KERNEL_ZRAM_BACKEND_LZ4||KERNEL_ZRAM_DEF_COMP_LZ4):kmod-lib-lz4 \
+	+(KERNEL_ZRAM_BACKEND_LZ4HC||KERNEL_ZRAM_DEF_COMP_LZ4HC):kmod-lib-lz4hc \
+	+(KERNEL_ZRAM_BACKEND_ZSTD||KERNEL_ZRAM_DEF_COMP_ZSTD):kmod-lib-zstd
   TITLE:=ZRAM
   KCONFIG:= \
 	CONFIG_ZSMALLOC \
@@ -706,29 +711,46 @@ endef
 
 define KernelPackage/zram/config
   if PACKAGE_kmod-zram
+    if !LINUX_6_6
+        config KERNEL_ZRAM_BACKEND_LZO
+                bool "lzo and lzo-rle compression support" if KERNEL_ZRAM_BACKEND_LZ4 || \
+                    KERNEL_ZRAM_BACKEND_LZ4HC || KERNEL_ZRAM_BACKEND_ZSTD
+                default !KERNEL_ZRAM_BACKEND_LZ4 && \
+                    !KERNEL_ZRAM_BACKEND_LZ4HC && !KERNEL_ZRAM_BACKEND_ZSTD
+
+        config KERNEL_ZRAM_BACKEND_LZ4
+                bool "lz4 compression support"
+
+        config KERNEL_ZRAM_BACKEND_LZ4HC
+                bool "lz4hc compression support"
+
+        config KERNEL_ZRAM_BACKEND_ZSTD
+                bool "zstd compression support"
+
+    endif
     choice
       prompt "ZRAM Default compressor"
-      default ZRAM_DEF_COMP_LZORLE
+      default KERNEL_ZRAM_DEF_COMP_LZORLE
 
-    config ZRAM_DEF_COMP_LZORLE
+    config KERNEL_ZRAM_DEF_COMP_LZORLE
             bool "lzo-rle"
-            select PACKAGE_kmod-lib-lzo
+            depends on KERNEL_ZRAM_BACKEND_LZO || LINUX_6_6
 
-    config ZRAM_DEF_COMP_LZO
+    config KERNEL_ZRAM_DEF_COMP_LZO
             bool "lzo"
-            select PACKAGE_kmod-lib-lzo
+            depends on KERNEL_ZRAM_BACKEND_LZO || LINUX_6_6
 
-    config ZRAM_DEF_COMP_LZ4
+    config KERNEL_ZRAM_DEF_COMP_LZ4
             bool "lz4"
-            select PACKAGE_kmod-lib-lz4
+            depends on KERNEL_ZRAM_BACKEND_LZ4 || LINUX_6_6
 
-    config ZRAM_DEF_COMP_LZ4HC
+    config KERNEL_ZRAM_DEF_COMP_LZ4HC
             bool "lz4-hc"
-            select PACKAGE_kmod-lib-lz4hc
+            depends on KERNEL_ZRAM_BACKEND_LZ4HC || LINUX_6_6
 
-    config ZRAM_DEF_COMP_ZSTD
+    config KERNEL_ZRAM_DEF_COMP_ZSTD
             bool "zstd"
-            select PACKAGE_kmod-lib-zstd
+            depends on KERNEL_ZRAM_BACKEND_ZSTD || LINUX_6_6
 
     endchoice
   endif