Teach kmem_malloc about M_ZERO.
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4507bd42c6
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95f24639b7
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svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=98450
@ -347,6 +347,7 @@ kmem_malloc(map, size, flags)
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VM_PROT_ALL, VM_PROT_ALL, 0);
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for (i = 0; i < size; i += PAGE_SIZE) {
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int pflags;
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/*
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* Note: if M_NOWAIT specified alone, allocate from
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* interrupt-safe queues only (just the free list). If
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@ -356,10 +357,15 @@ kmem_malloc(map, size, flags)
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* are not allowed to mess with the cache queue.
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*/
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retry:
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m = vm_page_alloc(kmem_object, OFF_TO_IDX(offset + i),
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((flags & (M_NOWAIT|M_USE_RESERVE)) == M_NOWAIT) ?
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VM_ALLOC_INTERRUPT :
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VM_ALLOC_SYSTEM);
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if ((flags & (M_NOWAIT|M_USE_RESERVE)) == M_NOWAIT)
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pflags = VM_ALLOC_INTERRUPT;
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else
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pflags = VM_ALLOC_SYSTEM;
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if (flags & M_ZERO)
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pflags |= VM_ALLOC_ZERO;
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m = vm_page_alloc(kmem_object, OFF_TO_IDX(offset + i), pflags);
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/*
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* Ran out of space, free everything up and return. Don't need
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