| Date | Mon, 02 Apr 2007 00:22:29 -0700 | From | Jeremy Fitzhardinge <> | Subject | Re: [patch 16/17] add kmap_atomic_pte for mapping highpte pages |
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Andi Kleen wrote: >> +} >> + >> +/* Flush all unused kmap mappings in order to remove stray >> + mappings. */ >> +void kmap_flush_unused(void) >> +{ >> + spin_lock(&kmap_lock); >> + flush_all_zero_pkmaps(); >> + spin_unlock(&kmap_lock); >> } >> > > Who calls this now?
Nobody in kernel, or in this patchset. The Xen code calls it to make sure there are no stray RW mappings of a page it has freshly allocated for use in a pagetable.
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