> * fix for module linker script: linux-2.6.35-rc4-fs.fix-ko-module-linker-script.patch > Prevents kernel modules from having unnecessarily many > sections and thus prevents module size growth. Acked-by: Sam Ravnborg <sam@xxxxxxxxxxxx> --- linux-2.6.35-rc4/scripts/module-common.lds +++ linux-2.6.35-rc4.new/scripts/module-common.lds @@ -3,6 +3,29 @@ * Archs are free to supply their own linker scripts. ld will * combine them automatically. */ + +/* .data.foo are generated by gcc itself with -fdata-sections, + * whereas double-dot sections (like .data..percpu) are generated + * by kernel's magic macros. + * + * Since this script does not specify what to do with double-dot sections, + * ld -r will coalesce all .data..foo input sections into one .data..foo + * output section, all .data..bar input sections into one .data..bar + * output section and so on. This is exactly what we want. + * + * Same goes for .text, .bss and .rodata. In case of .rodata, various + * .rodata.foo sections are generated by gcc even without -fdata-sections + */ + SECTIONS { + + /* Coalesce sections produced by gcc -ffunction-sections */ + .text 0 : AT(0) { *(.text .text.[A-Za-z0-9_$^]*) } + + /* Coalesce sections produced by gcc -fdata-sections */ + .rodata 0 : AT(0) { *(.rodata .rodata.[A-Za-z0-9_$^]*) } + .data 0 : AT(0) { *(.data .data.[A-Za-z0-9_$^]*) } + .bss 0 : AT(0) { *(.bss .bss.[A-Za-z0-9_$^]*) } + /DISCARD/ : { *(.discard) } } -- To unsubscribe from this list: send the line "unsubscribe linux-arch" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html