Messages in this thread | | | Date | Wed, 18 Aug 2004 20:41:09 -0700 | From | William Lee Irwin III <> | Subject | Re: page fault fastpath patch v2: fix race conditions, stats for 8,32 and 512 cpu SMP |
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On Wed, 18 Aug 2004, William Lee Irwin III wrote: >>> Something like this?
On Wed, Aug 18, 2004 at 11:19:25PM -0400, Rajesh Venkatasubramanian wrote: >> Yeah, something similar... A small nitpick: page_table_lock >> nests within i_mmap_lock and anon_lock. >> do_unmap() also frees page tables first and then removes vmas from >> i_mmap (and/or) anon_vma list. Is there a reason to preserve >> this ordering ?
On Wed, Aug 18, 2004 at 08:31:27PM -0700, William Lee Irwin III wrote: > I don't see a reason to rearrange it. We can just as easily drop and > reacquire ->page_table_lock.
On closer examination it's not that simple.
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