Messages in this thread | | | Date | Mon, 24 May 1999 19:20:41 +0200 | From | Manfred Spraul <> | Subject | Re: [PATCHES] |
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Ingo Molnar wrote: > on my box the page cache is already completely parallel on SMP, > we drop the kernel lock on entry into page-cache routines and > re-lock it only if we call filesystem-specific code or > buffer-cache code.
How have you called the 'release_kernel_lock()' function?
I found several lengthy operations in the kernel which should also release the kernel lock. (the slowest: clear_page() when called by get_free_page(GFP_WAIT))
-- Manfred
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