Re: binfmt_elf padzero problems
From: Paul Mackerras
Date: Thu Mar 17 2005 - 21:50:39 EST
Andrew Morton writes:
> I guess if the bss has zero length then we can skip the zeroing of the end
> of the page at the end of bss, as long as we're dead sure that we didn't
> accidentally instantiate a single page on behalf of that zero-length bss.
There is another thing I noticed about the bss code, which is that it
doesn't give the bss the permissions from the PT_LOAD segment, rather
it just uses VM_DATA_DEFAULT_FLAGS. That doesn't matter at the moment
but may matter in future for ppc32.
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/