Messages in this thread |  | | From | (Linus Torvalds) | Subject | Re: Google's mm problem - not reproduced on 2.4.13 | Date | Sat, 3 Nov 2001 00:16:46 +0000 (UTC) |
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In article <20011102222754.2366f1f5.skraw@ithnet.com>, Stephan von Krawczynski <skraw@ithnet.com> wrote: > >> - /* Don't swap out areas which are locked down */ >> - if (vma->vm_flags & (VM_LOCKED|VM_RESERVED)) >> + /* Don't swap out areas which are reserved */ >> + if (vma->vm_flags & VM_RESERVED) >> return count; > >Although I agree what you said about differences of old and new VM, I believe >the above was not really what Ben intended to do by mlocking. I mean, you swap >them out right now, or not?
Not. See where I added the VM_LOCKED test - deep down in the page-out code it will decide that a VM_LOCKED page is always accessed, and will move it to the active list instead of swapping it out.
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