[Bug ld/22831] ld causes massive thrashing if object files are not fully memory-resident: new algorithm needed

[lkcl at lkcl dot net]

https://sourceware.org/bugzilla/show_bug.cgi?id=22831

--- Comment #20 from Luke Kenneth Casson Leighton <lkcl at lkcl dot net> ---
ok so i spoke to dr stallman a couple of weeks ago, and he confirmed that code
that is near-identical to that which i described in the very first comment of
this bugreport was REMOVED some time in the late 1990s, by persons not familiar
with the type of issues that linking has to deal with.

the original code that dr stallman wrote did two things:

(1) checked to make absolutely sure that it stayed within the bounds of
    RESIDENT available memory, if it could.
(2) that it ONLY loaded into memory the maximum number of object files that
    would ensure that it remained within bounds of resident available
    memory, if it could.

this code is essential to research and restore its functionality.  this is
NOT a 32-bit-only problem.

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