Dear linux-nfs, I have a box that has recently been victim of an OOM caused by nfs_idmap_new() attempting to allocate a large amount of contiguous memory. This problem has been reported previously here [0] and I understand the real fix is to use CONFIG_NFS_USE_NEW_IDMAPPER. However I was wondering whether using non contiguous memory instead would be a valid workaround, especially considering the new ID mapper is not enabled by default. I have actually written a patch to that effect as I don't see any specific reason why that struct would need to be in contiguous memory. So before I do anything stupid with that patch, a) is there any good reason to use kzalloc() instead of vzalloc() in nfs_idmap_new()? b) would you consider a patch that would make the function use vzalloc()? Thanks, Adrien Kunysz [0] http://www.spinics.net/lists/linux-nfs/msg22248.html -- To unsubscribe from this list: send the line "unsubscribe linux-nfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
