Re: Current break round up
Frank Kotler <[email protected]>
| Newsgroups | gmane.linux.assembly |
|---|---|
| Message-ID | <[email protected]> |
Kircsi Tibor wrote: > Hi, > > Sorry for my english. I started learn assembly again after 15 years. > Now, I'm learning about memory management and sys_brk system call. I've > created a really simple program, which try to extend the heap size. I've > read, when sys_brk is called with the new break address(last usable > address of the heap or data segment), it will be rounded up to the next > nearest page, but it didn't. Am I misundestand somthing? I've noticed this. Seems to be related to kernel version (2.4.33.3 here). May be a "bug"? I think you can access memory up to the top of the page (what you/we would "expect" brk to return). I don't know what to make of it. Best, Frank -- To unsubscribe from this list: send the line "unsubscribe linux-assembly" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html