slab: make GFP_SLAB_BUG_MASK information more human readable
printk offers %pGg for quite some time so let's use it to get a human readable list of invalid flags. The original output would be [ 429.191962] gfp: 2 after the change [ 429.191962] Unexpected gfp: 0x2 (__GFP_HIGHMEM) Link: http://lkml.kernel.org/r/1465548200-11384-1-git-send-email-mhocko@kernel.orgSigned-off-by: NMichal Hocko <mhocko@suse.com> Cc: Sergey Senozhatsky <sergey.senozhatsky.work@gmail.com> Cc: Christoph Lameter <cl@linux.com> Cc: Pekka Enberg <penberg@kernel.org> Cc: David Rientjes <rientjes@google.com> Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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