include/linux/gfp.h

0x00u 0          ->     __GFP_NORMAL
0x01u 1          ->      __GFP_DMA
0x02u 10         ->      __GFP_HIGHMEM
0x04u 100        ->      __GFP_DMA32
0x08u 1000       ->      __GFP_MOVABLE
0x0fu 1111       ->      __GFP_ZONEMASK
0x10u 10000     ->   __GFP_WAIT
0x20u 100000     ->   __GFP_HIGH
0x40u 1000000    ->   __GFP_IO
0x80u 10000000   ->   __GFP_FS
0x100u 100000000  ->   __GFP_COLD

./scripts/gfp-translate to translate VM oops GFP flag hex code, for example 0x4020 would be
__GFP_COMP | __GFP_HIGH