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vm_phys: Factor out some calls to vm_freelist_add()
A subsequent patch will make this factoring more worthwhile. No functional change intended. Reviewed by: dougm, alc, kib, emaste MFC after: 2 weeks Differential Revision: https://reviews.freebsd.org/D40400
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@ -680,6 +680,15 @@ vm_phys_split_pages(vm_page_t m, int oind, struct vm_freelist *fl, int order,
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}
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}
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static void
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vm_phys_enq_chunk(struct vm_freelist *fl, vm_page_t m, int order, int tail)
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{
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KASSERT(order >= 0 && order < VM_NFREEORDER,
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("%s: invalid order %d", __func__, order));
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vm_freelist_add(fl, m, order, tail);
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}
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/*
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* Add the physical pages [m, m + npages) at the beginning of a power-of-two
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* aligned and sized set to the specified free list.
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@ -706,13 +715,13 @@ vm_phys_enq_beg(vm_page_t m, u_int npages, struct vm_freelist *fl, int tail)
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KASSERT(m->order == VM_NFREEORDER,
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("%s: page %p has unexpected order %d",
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__func__, m, m->order));
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order = ilog2(npages);
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order = ilog2(npages);
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KASSERT(order < VM_NFREEORDER,
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("%s: order %d is out of range", __func__, order));
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vm_freelist_add(fl, m, order, tail);
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vm_phys_enq_chunk(fl, m, order, tail);
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m += 1 << order;
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npages -= 1 << order;
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}
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npages -= 1 << order;
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}
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}
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/*
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@ -743,9 +752,7 @@ vm_phys_enq_range(vm_page_t m, u_int npages, struct vm_freelist *fl, int tail)
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("vm_phys_enq_range: page %p has unexpected order %d",
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m, m->order));
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order = ffs(npages) - 1;
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KASSERT(order < VM_NFREEORDER,
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("vm_phys_enq_range: order %d is out of range", order));
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vm_freelist_add(fl, m, order, tail);
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vm_phys_enq_chunk(fl, m, order, tail);
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m += 1 << order;
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npages -= 1 << order;
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}
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@ -1203,7 +1210,7 @@ vm_phys_enqueue_contig(vm_page_t m, u_long npages)
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KASSERT(seg == &vm_phys_segs[m->segind],
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("%s: page range [%p,%p) spans multiple segments",
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__func__, m_end - npages, m));
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vm_freelist_add(fl, m, order, 1);
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vm_phys_enq_chunk(fl, m, order, 1);
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m += 1 << order;
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}
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/* Free blocks of diminishing size. */
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