Re: 1352 NUL bytes at the end of a page?

viro
2004-05-17T17:40:23Z

On Mon, May 17, 2004 at 11:30:36AM -0600, Steven Cole wrote:

> mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1,
> 0) = 0x40018000

rw anonymous - that has nothing to do with any IO.

> old_mmap(NULL, 19184, PROT_READ, MAP_PRIVATE, 3, 0) = 0x40018000

read-only, whatever file that was.

Was there anything with PROT_WRITE and without MAP_ANONYMOUS?