#define GFP_ATOMIC      (__GFP_HIGH)
#define GFP_NOIO        (__GFP_WAIT)
#define GFP_NOFS        (__GFP_WAIT | __GFP_IO)
#define GFP_KERNEL      (__GFP_WAIT | __GFP_IO | __GFP_FS)

-----Original Message-----
From: Robert P. J. Day [mailto:[EMAIL PROTECTED]
Sent: Saturday, April 28, 2007 9:41 PM
To: Linux Kernel Mailing List
Subject: can a kmalloc be both GFP_ATOMIC and GFP_KERNEL at the same
time?



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

http://fsdev.net/wiki/index.php?title=Main_Page
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