On Fri, 21 Sep 2007, Siddha, Suresh B wrote: > > git commit 34feb2c83beb3bdf13535a36770f7e50b47ef299 started using quicklists > for freeing page table pages and removed the usage of tlb_remove_page() > > And looking at quicklist_free() and quicklist_free_page(), on a NUMA platform, > this can potentially free the page before the corresponding TLB caches > are flushed.
Hmm? We only add them to the quicklists in the exact same places where we *used* to just free them entirely. So I don't see why semantics would have changed.. > Can we revert this commit for 2.6.23 and look at this code post 2.6.23? I'll happily revert it, but I want to understand this better, so more of an explanation of the codepath that actually does something wrong, please. Linus - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/