Correct the recovery logic in vm_page_alloc_contig:
what is really needed on this code snipped is that all the pages that are already fully inserted gets fully freed, while for the others the object removal itself might be skipped, hence the object might be set to NULL. Sponsored by: EMC / Isilon storage division Reported by: alc, kib Reviewed by: alc
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Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=254228
@ -1807,11 +1807,9 @@ vm_page_alloc_contig(vm_object_t object, vm_pindex_t pindex, int req,
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&deferred_vdrop_list);
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if (vm_paging_needed())
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pagedaemon_wakeup();
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for (m = m_ret, m_tmp = m_ret;
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for (m_tmp = m, m = m_ret;
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m < &m_ret[npages]; m++) {
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if (m_tmp < m)
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m_tmp++;
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else
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if (m >= m_tmp)
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m->object = NULL;
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vm_page_free(m);
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}
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