jcs.org
jcs's openbsd hax
openbsd
Make the freelist best fit code a tiny bit smarter to not use a block if half or more would be wasted. Causes more effective re-use of blocks. ok jsing@
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sys/lib/libsa/alloc.c
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sys/lib/libsa/alloc.c
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/* $OpenBSD: alloc.c,v 1.12 2016/03/14 23:08:06 krw Exp $ */
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/* $OpenBSD: alloc.c,v 1.13 2018/12/16 08:31:50 otto Exp $ */
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/* $NetBSD: alloc.c,v 1.6 1997/02/04 18:36:33 thorpej Exp $ */
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/*
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}
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/* no match in freelist if bestsize unchanged */
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failed = (bestsize == 0xffffffff);
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failed = (bestsize == 0xffffffff || bestsize >= size * 2);
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#endif
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if (failed) { /* nothing found */