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Date: Sat, 6 Aug 2011 17:38:26 +0200
From: Szabolcs Nagy <nsz@...t70.net>
To: musl@...ts.openwall.com
Subject: Re: New daily reports - debugging alloc.c et al
* Szabolcs Nagy <nsz@...t70.net> [2011-08-06 16:34:33 +0200]:
> for (i=j=SIZE_MAX/2; i>0; i/=2) {
> if ((*p=mmap(NULL, j, PROT_NONE, MAP_PRIVATE, fd, 0)) == MAP_FAILED)
> j -= i/2;
> else {
i've just realized that
for (i=j=SIZE_MAX/2+1; i>=PAGE_SIZE; i/=2) {
is better
(if j is not initialized to a power of 2 then i/=2
does not do proper binary search)
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