From cd907a68aa6402276f2bfdbdcf2f907e6ab089c3 Mon Sep 17 00:00:00 2001 From: Nathan Whitehorn Date: Thu, 15 Mar 2012 22:50:48 +0000 Subject: [PATCH] Implement pmap_remove_pages(). This will be added later to the 32-bit MMU module. Suggested by: alc --- sys/powerpc/aim/mmu_oea64.c | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) diff --git a/sys/powerpc/aim/mmu_oea64.c b/sys/powerpc/aim/mmu_oea64.c index c66e26bc517..36ff645080c 100644 --- a/sys/powerpc/aim/mmu_oea64.c +++ b/sys/powerpc/aim/mmu_oea64.c @@ -308,6 +308,7 @@ void moea64_qenter(mmu_t, vm_offset_t, vm_page_t *, int); void moea64_qremove(mmu_t, vm_offset_t, int); void moea64_release(mmu_t, pmap_t); void moea64_remove(mmu_t, pmap_t, vm_offset_t, vm_offset_t); +void moea64_remove_pages(mmu_t, pmap_t); void moea64_remove_all(mmu_t, vm_page_t); void moea64_remove_write(mmu_t, vm_page_t); void moea64_zero_page(mmu_t, vm_page_t); @@ -350,6 +351,7 @@ static mmu_method_t moea64_methods[] = { MMUMETHOD(mmu_qremove, moea64_qremove), MMUMETHOD(mmu_release, moea64_release), MMUMETHOD(mmu_remove, moea64_remove), + MMUMETHOD(mmu_remove_pages, moea64_remove_pages), MMUMETHOD(mmu_remove_all, moea64_remove_all), MMUMETHOD(mmu_remove_write, moea64_remove_write), MMUMETHOD(mmu_sync_icache, moea64_sync_icache), @@ -2045,6 +2047,22 @@ moea64_release(mmu_t mmu, pmap_t pmap) PMAP_LOCK_DESTROY(pmap); } +/* + * Remove all pages mapped by the specified pmap + */ +void +moea64_remove_pages(mmu_t mmu, pmap_t pm) +{ + struct pvo_entry *pvo, *tpvo; + + vm_page_lock_queues(); + PMAP_LOCK(pm); + LIST_FOREACH_SAFE(pvo, &pm->pmap_pvo, pvo_plink, tpvo) + moea64_pvo_remove(mmu, pvo); + vm_page_unlock_queues(); + PMAP_UNLOCK(pm); +} + /* * Remove the given range of addresses from the specified map. */