Hi! > I also tweaked the patch a little. The most notable change is that I > changed your reference to "shm ipc" to "POSIX shared memory". Please > let me know if that was incorrect. > > POSIX specifies that the system shall always zero fill any par??? > tial page at the end of the object and that system will never > write any modification of the object beyond its end. On Linux, > when you write data to such partial page after the end of the > object, the data stays in the page cache even after the file is > closed and unmapped and even though the data is never written > to the file itself, subsequent mappings may see the modified > content. In some cases, this could be fixed by calling > msync(2) before the unmap takes place; however, this doesn't > work on tmpfs (for example, when using POSIX shared memory > interface documented in shm_overview(7)). Thanks, that is better. And out of curiosity, where is the most current man-pages git repo? There seems to be github one and kernel.org one and they are out of sync. -- Cyril Hrubis chrubis@xxxxxxx -- To unsubscribe from this list: send the line "unsubscribe linux-man" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
