Messages in this thread | | | Date | Wed, 7 Apr 1999 15:47:50 +0200 (CEST) | From | Ingo Molnar <> | Subject | Re: [patch] only-one-cache-query [was Re: [patch] arca-vm-2.2.5] |
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On Wed, 7 Apr 1999, Andrea Arcangeli wrote:
> void prune_dcache(int count) > { > + gfp_sleeping_cookie++;
this can be done via an existing variable, kstat.ctxsw, no need to add yet another 'have we scheduled' flag. But the whole approach is quite flawed and volatile, it simply relies on us having the big kernel lock. With more finegrained SMP locking in that area we will have big problems preserving that solution.
-- mingo
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