On Thu, Oct 29, 2009 at 05:20:00PM +0100, Tejun Heo wrote: > This will increase the size of struct sysfs_dirent by three pointers > which is considerable. Bloating the size of sysfs_dirent can waste > large amount of memory on machines with a lot of disks. No it won't. It's in a union with sysfs_inode_attrs which contains a struct iattr, which is at least 52 bytes. > The implementation looks quite scary to me. Is this the only way to > do this? It it because trying to create individual entries for msix > will end up creating too many sysfs entries? If so, how many are we > talking about? While that's the original motivation, shrinking the amount of memory taken by sysfs overall is a worthwhile achievement, don't you think? -- Matthew Wilcox Intel Open Source Technology Centre "Bill, look, we understand that you're interested in selling us this operating system, but compare it to ours. We can't possibly take such a retrograde step." -- To unsubscribe from this list: send the line "unsubscribe linux-pci" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
