(2012/04/23 17:55), Minchan Kim wrote: > As I test some code, I found a problem about deadlock by lockdep. > The reason I saw the message is __vmalloc calls map_vm_area which calls > pud/pmd_alloc without gfp_t. so although we call __vmalloc with > GFP_ATOMIC or GFP_NOIO, it ends up allocating pages with GFP_KERNEL. > The should be a BUG. This patch fixes it by passing gfp_to to low page > table allocate functions. > > Signed-off-by: Minchan Kim <minchan@xxxxxxxxxx> Hmm ? vmalloc should support GFP_ATOMIC ? And, do we need to change all pud_,pgd_,pmd_,pte_alloc() for users pgtables ? Thanks, -Kame -- 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>