Fix issue noted by alc while reviewing r215938:
The current implementation of vm_page_alloc_freelist() does not handle order > 0 correctly. Remove order parameter to the function and use it only for order 0 pages. Submitted by: alc
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2a89829bde
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Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=215973
@ -1077,7 +1077,7 @@ pmap_alloc_pte_page(unsigned int index, int req)
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{
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vm_page_t m;
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m = vm_page_alloc_freelist(VM_FREELIST_DIRECT, 0, req);
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m = vm_page_alloc_freelist(VM_FREELIST_DIRECT, req);
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if (m == NULL)
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return (NULL);
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@ -1409,12 +1409,12 @@ vm_page_alloc_init(vm_page_t m)
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/*
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* vm_page_alloc_freelist:
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*
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* Allocate a page from the specified freelist with specified order.
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* Allocate a page from the specified freelist.
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* Only the ALLOC_CLASS values in req are honored, other request flags
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* are ignored.
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*/
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vm_page_t
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vm_page_alloc_freelist(int flind, int order, int req)
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vm_page_alloc_freelist(int flind, int req)
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{
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struct vnode *drop;
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vm_page_t m;
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@ -1431,7 +1431,7 @@ vm_page_alloc_freelist(int flind, int order, int req)
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cnt.v_free_count + cnt.v_cache_count > cnt.v_interrupt_free_min) ||
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(page_req == VM_ALLOC_INTERRUPT &&
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cnt.v_free_count + cnt.v_cache_count > 0)) {
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m = vm_phys_alloc_freelist_pages(flind, VM_FREEPOOL_DIRECT, order);
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m = vm_phys_alloc_freelist_pages(flind, VM_FREEPOOL_DIRECT, 0);
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}
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if (m == NULL) {
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mtx_unlock(&vm_page_queue_free_mtx);
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@ -340,7 +340,7 @@ void vm_pageq_remove(vm_page_t m);
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void vm_page_activate (vm_page_t);
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vm_page_t vm_page_alloc (vm_object_t, vm_pindex_t, int);
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vm_page_t vm_page_alloc_freelist(int, int, int);
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vm_page_t vm_page_alloc_freelist(int, int);
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struct vnode *vm_page_alloc_init(vm_page_t);
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vm_page_t vm_page_grab (vm_object_t, vm_pindex_t, int);
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void vm_page_cache(vm_page_t);
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