[Bug 90254] [BDW]Igt/gem_pwrite subcase huge-gtt causes Call trace

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=90254

--- Comment #2 from lu hua <huax.lu at intel.com> ---
(In reply to Chris Wilson from comment #1)
> The test checks that the object fits into ram (run with --debug to verify
> that the size is indeed valid). It is probable that the huge-cpu would also
> fail given enough time to allocate the full object. But it's the spurious
> oom that kills us:
> 
> [  100.627668] 0 pages in swap cache
> [  100.627670] Swap cache stats: add 550, delete 550, find 0/0
> [  100.627671] Free swap  = 1950564kB
> [  100.627673] Total swap = 1952764kB
> [  100.627674] 1028502 pages RAM
> 
> Why are we not pushing others out to swap in get_pages_gtt()?

bug 90395 track the oom killer issue.

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