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SubjectRe: binfmt_elf padzero problems
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.

Paul.
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