diff options
5 files changed, 147 insertions, 11 deletions
diff --git a/package/compcache/Makefile b/package/compcache/Makefile index 5106293e8d..f7b7c5b3f1 100644 --- a/package/compcache/Makefile +++ b/package/compcache/Makefile @@ -10,7 +10,7 @@ include $(INCLUDE_DIR)/kernel.mk PKG_NAME:=compcache PKG_VERSION:=0.6.2 -PKG_RELEASE:=2 +PKG_RELEASE:=3 PKG_SOURCE_URL:=http://compcache.googlecode.com/files/ PKG_MD5SUM:=27aec78dc50e34fb800c74e879057743 @@ -23,8 +23,17 @@ define KernelPackage/ramzswap DEPENDS:=@BUSYBOX_CONFIG_SWAPONOFF TITLE:=Driver for compressed ram swap device VERSION:=$(LINUX_VERSION)-$(BOARD)-$(LINUX_RELEASE)+$(PKG_RELEASE) - FILES:=$(PKG_BUILD_DIR)/ramzswap.ko \ - $(PKG_BUILD_DIR)/sub-projects/compression/lzo-kmod/lzo1x.ko + KCONFIG:=CONFIG_RAMZSWAP=m CONFIG_RAMZSWAP_STATS=n +ifeq ($(strip $(call CompareKernelPatchVer,$(KERNEL_PATCHVER),ge,2.6.33)),1) + FILES:= \ + $(LINUX_DIR)/drivers/staging/ramzswap/ramzswap.ko \ + $(LINUX_DIR)/lib/lzo/lzo_compress.ko \ + $(LINUX_DIR)/lib/lzo/lzo_decompress.ko +else + FILES:= \ + $(PKG_BUILD_DIR)/ramzswap.ko \ + $(PKG_BUILD_DIR)/sub-projects/compression/lzo-kmod/lzo1x.ko +endif URL:=http://code.google.com/p/compcache/ endef @@ -39,20 +48,21 @@ endef include $(INCLUDE_DIR)/kernel-defaults.mk -LZO = sub-projects/compression/lzo-kmod RZSC = sub-projects/rzscontrol -BUILDFLAGS:=-DCONFIG_RAMZSWAP_STATS \ - -I$(PKG_BUILD_DIR)/$(LZO) \ - -Wall - RZSCFLAGS:=-I$(PKG_BUILD_DIR)/$(RZSC)/../include \ -I$(PKG_BUILD_DIR)/$(RZSC)/../.. -define Build/Compile - $(MAKE) $(KERNEL_MAKEOPTS) EXTRA_CFLAGS="$(BUILDFLAGS)" M="$(PKG_BUILD_DIR)" modules +ifeq ($(strip $(call CompareKernelPatchVer,$(KERNEL_PATCHVER),ge,2.6.33)),1) + define Build/Compile + $(TARGET_CC) $(TARGET_CFLAGS) $(RZSCFLAGS) $(PKG_BUILD_DIR)/$(RZSC)/rzscontrol.c -o $(PKG_BUILD_DIR)/rzscontrol + endef +else + define Build/Compile + $(MAKE) $(KERNEL_MAKEOPTS) EXTRA_CFLAGS="-I$(PKG_BUILD_DIR)/sub-projects/compression/lzo-kmod -Wall" M="$(PKG_BUILD_DIR)" modules $(TARGET_CC) $(TARGET_CFLAGS) $(RZSCFLAGS) $(PKG_BUILD_DIR)/$(RZSC)/rzscontrol.c -o $(PKG_BUILD_DIR)/rzscontrol -endef + endef +endif define Package/compcache/install $(INSTALL_DIR) $(1)/etc/config @@ -62,7 +72,11 @@ define Package/compcache/install -e 's,%BACKUP_DEV%,$(call qstrip,$(CONFIG_COMPCACHE_BACKUP_DEV)),g' \ $(1)/etc/config/compcache $(INSTALL_DIR) $(1)/etc/init.d +ifeq ($(strip $(call CompareKernelPatchVer,$(KERNEL_PATCHVER),ge,2.6.33)),1) + $(INSTALL_BIN) ./files/compcache.init.new $(1)/etc/init.d/compcache +else $(INSTALL_BIN) ./files/compcache.init $(1)/etc/init.d/compcache +endif $(INSTALL_DIR) $(1)/sbin $(INSTALL_BIN) $(PKG_BUILD_DIR)/rzscontrol $(1)/sbin/rzscontrol endef diff --git a/package/compcache/files/compcache.init.new b/package/compcache/files/compcache.init.new new file mode 100644 index 0000000000..18aead9f26 --- /dev/null +++ b/package/compcache/files/compcache.init.new @@ -0,0 +1,50 @@ +#!/bin/sh /etc/rc.common +# Copyright (C) 2008 OpenWrt.org +START=14 + +load_modules() { + local section="$1" + config_get "size_kbytes" "$section" "size_kbytes" + config_get "backup_dev" "$section" "backup_dev" + #CC_PARAM_STR="memlimit_kb=$1 backing_dev=$BACKING_DEV" + config_get_bool "enabled" "$section" "enabled" '1' + if [ "$enabled" -gt 0 ]; then + if [ "`cat /proc/swaps | grep 'ramzswap0'`" != "" ]; then + echo "compcache already loaded" + else + if [ "$backup_dev" != "" ]; then + params_set="memlimit_kb=$size_kbytes backing_swap=$backup_dev" + else + params_set="disksize_kb=$size_kbytes" + fi + if [ "`lsmod | grep 'ramzswap'`" == "" ]; then + insmod lzo_compress + insmod lzo_decompress + insmod ramzswap $params_set + sleep 2 + swapon /dev/ramzswap0 + fi + fi + fi +} + +remove_modules() { + local section="$1" + config_get_bool "enabled" "$section" "enabled" '1' + if [ "$enabled" -gt 0 ]; then + [ "`cat /proc/swaps | grep 'ramzswap0'`" != "" ] && swapoff /dev/ramzswap0 + [ "`lsmod | grep 'ramzswap'`" != "" ] && rmmod ramzswap &> /dev/null + [ "`lsmod | grep 'lzo_compress'`" != "" ] && rmmod lzo_compress &> /dev/null + [ "`lsmod | grep 'lzo_decompress'`" != "" ] && rmmod lzo_decompress &> /dev/null + fi +} + +start() { + config_load "compcache" + config_foreach load_modules "compcache" +} + +stop() { + config_load "compcache" + config_foreach remove_modules "compcache" +} diff --git a/package/compcache/patches/003-no_stats.patch b/package/compcache/patches/003-no_stats.patch new file mode 100644 index 0000000000..bfa25f8c98 --- /dev/null +++ b/package/compcache/patches/003-no_stats.patch @@ -0,0 +1,12 @@ +--- a/Makefile ++++ b/Makefile +@@ -2,8 +2,7 @@ KERNEL_BUILD_PATH ?= "/lib/modules/$(she + + XVM = sub-projects/allocators/xvmalloc-kmod + LZO = sub-projects/compression/lzo-kmod +-EXTRA_CFLAGS := -DCONFIG_RAMZSWAP_STATS \ +- -Wall ++EXTRA_CFLAGS := -Wall + + obj-m += ramzswap.o $(LZO)/lzo1x.o + ramzswap-objs := ramzswap_drv.o $(XVM)/xvmalloc.o diff --git a/target/linux/generic/patches-2.6.33/040-compcache_swap_notify_core_support.patch b/target/linux/generic/patches-2.6.33/040-compcache_swap_notify_core_support.patch new file mode 100644 index 0000000000..0372e20655 --- /dev/null +++ b/target/linux/generic/patches-2.6.33/040-compcache_swap_notify_core_support.patch @@ -0,0 +1,30 @@ +--- a/include/linux/blkdev.h ++++ b/include/linux/blkdev.h +@@ -1301,6 +1301,8 @@ struct block_device_operations { + unsigned long long); + int (*revalidate_disk) (struct gendisk *); + int (*getgeo)(struct block_device *, struct hd_geometry *); ++ /* this callback is with swap_lock and sometimes page table lock held */ ++ void (*swap_slot_free_notify) (struct block_device *, unsigned long); + struct module *owner; + }; + +--- a/mm/swapfile.c ++++ b/mm/swapfile.c +@@ -574,6 +574,7 @@ static unsigned char swap_entry_free(struct swap_info_struct *p, + + /* free if no reference */ + if (!usage) { ++ struct gendisk *disk = p->bdev->bd_disk; + if (offset < p->lowest_bit) + p->lowest_bit = offset; + if (offset > p->highest_bit) +@@ -583,6 +584,8 @@ static unsigned char swap_entry_free(struct swap_info_struct *p, + swap_list.next = p->type; + nr_swap_pages++; + p->inuse_pages--; ++ if (disk->fops->swap_slot_free_notify) ++ disk->fops->swap_slot_free_notify(p->bdev, offset); + } + + return usage; diff --git a/target/linux/generic/patches-2.6.34/040-compcache_swap_notify_core_support.patch b/target/linux/generic/patches-2.6.34/040-compcache_swap_notify_core_support.patch new file mode 100644 index 0000000000..0372e20655 --- /dev/null +++ b/target/linux/generic/patches-2.6.34/040-compcache_swap_notify_core_support.patch @@ -0,0 +1,30 @@ +--- a/include/linux/blkdev.h ++++ b/include/linux/blkdev.h +@@ -1301,6 +1301,8 @@ struct block_device_operations { + unsigned long long); + int (*revalidate_disk) (struct gendisk *); + int (*getgeo)(struct block_device *, struct hd_geometry *); ++ /* this callback is with swap_lock and sometimes page table lock held */ ++ void (*swap_slot_free_notify) (struct block_device *, unsigned long); + struct module *owner; + }; + +--- a/mm/swapfile.c ++++ b/mm/swapfile.c +@@ -574,6 +574,7 @@ static unsigned char swap_entry_free(struct swap_info_struct *p, + + /* free if no reference */ + if (!usage) { ++ struct gendisk *disk = p->bdev->bd_disk; + if (offset < p->lowest_bit) + p->lowest_bit = offset; + if (offset > p->highest_bit) +@@ -583,6 +584,8 @@ static unsigned char swap_entry_free(struct swap_info_struct *p, + swap_list.next = p->type; + nr_swap_pages++; + p->inuse_pages--; ++ if (disk->fops->swap_slot_free_notify) ++ disk->fops->swap_slot_free_notify(p->bdev, offset); + } + + return usage; |