On Wed, Mar 04, 2015 at 09:22:27PM +0100, Ingo Molnar wrote: > So you could have a look at the detailed section dump itself via: > > objdump -h vmlinux > > there .text will be the raw text and .alt* will be listed separately. > The 'size' tool will add up executable sections IIRC, mixing these > sections.
Right. > .alt* is freed after init, so it's not really a kernel image size > increase, right? Exactly: void free_initmem(void) { free_init_pages("unused kernel", (unsigned long)(&__init_begin), (unsigned long)(&__init_end)); } which are: 69708: ffffffff81ee9000 0 NOTYPE GLOBAL DEFAULT 16 __init_begin 72679: ffffffff81ff9000 0 NOTYPE GLOBAL DEFAULT 25 __init_end and there's a bunch of stuff between ffffffff81ee9000 and ffffffff81ff9000: [Nr] Name Type Address Offset Size EntSize Flags Link Info Align [17] .init.text PROGBITS ffffffff81efe000 012fe000 0000000000066c98 0000000000000000 AX 0 0 16 [18] .init.data PROGBITS ffffffff81f65000 01365000 0000000000086d18 0000000000000000 WA 0 0 4096 [19] .x86_cpu_dev.init PROGBITS ffffffff81febd18 013ebd18 0000000000000018 0000000000000000 A 0 0 8 [20] .altinstructions PROGBITS ffffffff81febd30 013ebd30 0000000000007e4b 0000000000000000 A 0 0 1 [21] .altinstr_replace PROGBITS ffffffff81ff3b7b 013f3b7b 0000000000002044 0000000000000000 AX 0 0 1 [22] .iommu_table PROGBITS ffffffff81ff5bc0 013f5bc0 00000000000000c8 0000000000000000 A 0 0 8 [23] .apicdrivers PROGBITS ffffffff81ff5c88 013f5c88 0000000000000010 0000000000000000 WA 0 0 8 [24] .exit.text PROGBITS ffffffff81ff5c98 013f5c98 0000000000002412 0000000000000000 AX 0 0 1 -- Regards/Gruss, Boris. ECO tip #101: Trim your mails when you reply. -- -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/