This is the mail archive of the
libc-alpha@sourceware.org
mailing list for the glibc project.
Re: [PATCH v2] Allow shrinking of arena heaps using mmap based onovercommit settings when available
On Fri, Aug 24, 2012 at 08:56:28PM +0530, Siddhesh Poyarekar wrote:
> + int fd = open_not_cancel_2 ("/proc/sys/vm/overcommit_memory",
> + O_RDONLY | O_CLOEXEC);
> +
> + if (fd != -1)
> + {
> + char val = 0;
> + int n = read_not_cancel (fd, &val, 1);
> +
> + may_shrink_heap = (n > 0 && val == 2);
Don't you mean '2', not 2?
Rich