Cc: Andrew Morton <akpm@...>, Thomas Petazzoni <thomas.petazzoni@...>, Reynes Philippe <tremyfr@...>, <hpa@...>, <linux-kernel@...>, <mingo@...>, <tglx@...>
On Tuesday 01 April 2008 14:00:36 Andrew Morton wrote:
Does bloat-o-meter say what the additional 616 bytes _is_?
scripts/bloat-o-meter vmlinux.old vmlinux.new
P.S. What busybox did:
ifneq ($(strip $(CONFIG_DEBUG)),y)
OPTIMIZATION+=$(call check_cc,
$(CC),-ffunction-sections -fdata-sections,)
CHECKED_LDFLAGS += $(call check_ld,$(LD),--gc-sections,)
endif
Tells gcc to put each function and each global into its own ELF section, and
then told the linker to garbage collect unused sections...
Rob
--
"One of my most productive days was throwing away 1000 lines of code."
- Ken Thompson.
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