Messages in this thread | | | Date | Fri, 16 Feb 2001 15:18:39 +0100 | From | Jamie Lokier <> | Subject | Re: x86 ptep_get_and_clear question |
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Linus Torvalds wrote: > So the only case that ends up being fairly heavy may be a case that is > very uncommon in practice (only for unmapping shared mappings in > threaded programs or the lazy TLB case).
I can think of one case where performance is considered quite important: mprotect() is used by several garbage collectors, including threaded ones. Maybe mprotect() isn't the best primitive for those anyway, but it's what they have to work with atm.
-- Jamie - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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