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kernel_5_3_1_modification_for_page_migration
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| sudo dnf install dwarves | |
| wget https://cdn.kernel.org/pub/linux/kernel/v5.x/linux-5.3.1.tar.xz | |
| tar -xf linux-5.3.1.tar.xz | |
| cd linux-5.3.1 | |
| # mm/migrate.c | |
| 1486: EXPORT_SYMBOL(migrate_pages); | |
| # mm/vmscan.c | |
| 1023: EXPORT_SYMBOL(putback_lru_page); | |
| 1822: EXPORT_SYMBOL(isolate_lru_page); | |
| # cert issues | |
| cd certs/ | |
| openssl req -new -nodes -utf8 -sha256 -days 36500 -batch \ | |
| -x509 -out rhel.pem -keyout rhel.key | |
| cd .. | |
| sudo dnf groupinstall -y "Development Tools" | |
| sudo dnf install -y ncurses-devel elfutils-libelf-devel openssl-devel \ | |
| bc flex bison dwarves perl gcc-c++ wget | |
| sudo dnf install -y ncurses-devel ncurses | |
| cp /boot/config-$(uname -r) .config | |
| scripts/config --disable CONFIG_DEBUG_INFO_BTF | |
| make olddefconfig | |
| make menuconfig | |
| make -j$(nproc) 2>&1 | tee build.log | |
| grep -n -E "error:|undefined reference|multiple definition|BUILD_BUG_ON|No such file" build.log | head -n 20 # look for error(s) | |
| sudo make modules_install | |
| sudo make install | |
| sudo grubby --info=ALL | |
| sudo grub2-reboot <index> | |
| Inside: # check the Linux kernel’s symbol table — check for the kernel functions and variables, along with their memory addresses and types. | |
| grep -w migrate_pages /proc/kallsyms | |
| grep -w isolate_lru_page /proc/kallsyms | |
| grep -w putback_lru_page /proc/kallsyms | |
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