Messages in this thread | | | Date | Thu, 8 Jul 2004 19:09:05 -0700 | From | William Lee Irwin III <> | Subject | Re: Can't make use of swap memory in 2.6.7-bk19 |
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William Lee Irwin III wrote: >> They added a flag indicating wiredness or no to the gfp_mask, which was >> then propagated down the call chain and eventually passed as an argument >> to out_of_memory(). In turn, out_of_memory() used the flag to determine >> whether the nr_swap_pages > 0 check was relevant. i.e. they refined the >> OOM conditions based on the wiredness of the failing allocation. What >> probably got the stuff permavetoed was the stats reporting I did along >> with it that would have been trivial to drop while retaining the needed >> functional change. The patch was motivated by the nr_swap_pages > 0 >> check deadlocking. The __GFP_WIRED business was done to discriminate >> the obvious deadlocking scenario from the false OOM mentioned here.
On Fri, Jul 09, 2004 at 12:06:54PM +1000, Nick Piggin wrote: > No, I did see those patches. I'm not saying they're not worth > persuing; on the contrary, they look quite interesting. However, > it might worthwhile looking at more basic things first, for this > problem anyway.
Enumerate those more basic things.
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