On Sat, Apr 21, 2012 at 9:42 AM, Rajman Mekaco <rajman.mekaco@xxxxxxxxx> wrote: > The if(mm) check is not required in find_vma, as the kernel > code calls find_vma only when it is absolutely sure that the > mm_struct arg to it is non-NULL. > > Removing the if(mm) check and adding the a WARN_ONCE(!mm) > for now. > This will serve the purpose of mandating that the execution > context(user-mode/kernel-mode) be known before find_vma is called. > Also fixed 2 checkpatch.pl errors in the declaration > of the rb_node and vma_tmp local variables. > > I was browsing through the internet and read a discussion > at https://lkml.org/lkml/2012/3/27/342 which discusses removal > of the validation check within find_vma. > Since no-one responded, I decided to send this patch with Andrew's > suggestions. > > Signed-off-by: Rajman Mekaco <rajman.mekaco@xxxxxxxxx> > Cc: Kautuk Consul <consul.kautuk@xxxxxxxxx> Acked-by: KOSAKI Motohiro <kosaki.motohiro@xxxxxxxxxxxxxx> -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/ Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>