#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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