can a kmalloc be both GFP_ATOMIC and GFP_KERNEL at the same time?

["Robert P. J. Day" <rpjday@mindspring.com>]

  i'd always assumed that the type flags of GFP_ATOMIC and GFP_KERNEL
were mutually exclusive when it came to calling kmalloc(), at least
based on everything i'd read.  so i'm not sure how to interpret the
following:

drivers/scsi/aic7xxx_old.c:  aic_dev = kmalloc(sizeof(struct aic_dev_data), GFP_ATOMIC | GFP_KERNEL);
drivers/message/i2o/device.c:   resblk = kmalloc(buflen + 8, GFP_KERNEL | GFP_ATOMIC);

  clarification?

rday
-- 
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Robert P. J. Day
Linux Consulting, Training and Annoying Kernel Pedantry
Waterloo, Ontario, CANADA

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