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| author | Austin Seipp <aseipp@pobox.com> | 2013-08-29 17:30:11 -0500 |
|---|---|---|
| committer | Austin Seipp <aseipp@pobox.com> | 2013-08-29 17:30:11 -0500 |
| commit | c87c19f55a3ed7f437d738bfbf436afbc3ac0877 (patch) | |
| tree | c1f77f66d77d99ab287efd6df8ae8d70df182bc1 /rts | |
| parent | 1247dff7b852d45dc5006ae8be33ac991cc76c74 (diff) | |
| download | haskell-c87c19f55a3ed7f437d738bfbf436afbc3ac0877.tar.gz | |
Revert "Paranoid integer overflow check in osGetMBlocks"
This reverts commit 1247dff7b852d45dc5006ae8be33ac991cc76c74.
Signed-off-by: Austin Seipp <aseipp@pobox.com>
Diffstat (limited to 'rts')
| -rw-r--r-- | rts/posix/OSMem.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/rts/posix/OSMem.c b/rts/posix/OSMem.c index 76b863e860..cbc76f82d9 100644 --- a/rts/posix/OSMem.c +++ b/rts/posix/OSMem.c @@ -184,8 +184,7 @@ osGetMBlocks(nat n) // Compute size = MBLOCK_SIZE * (W_)n, // while testing for integer overflow. - if (n > (nat)((W_)-1)) - barf("osGetMBlocks: impossibly large MBlock count %d; nat larger than W_?", n); + // We assume that W_ is at least as large a type as nat. if ((W_)n > ((W_)-1) / MBLOCK_SIZE) { // We tried to allocate, say, 4 GB or more on a 32-bit system. errorBelch("out of memory (requested %d MBlocks)", n); |