Commit 8518609d authored by Robert P. J. Day's avatar Robert P. J. Day Committed by Adrian Bunk
Browse files

Explain clearly why kmalloc() can't use __GFP_HIGHMEM. 



Fix the wishy-washy comment to clearly explain why kmalloc() can't
use the __GFP_HIGHMEM zone modifier.

Signed-off-by: default avatarRobert P. J. Day <rpjday@mindspring.com>
Signed-off-by: default avatarAdrian Bunk <bunk@kernel.org>
parent 3a4fa0a2

mm/nommu.c

+2 −1
Original line number Diff line number Diff line
@@ -175,7 +175,8 @@ EXPORT_SYMBOL(vfree); 
void *__vmalloc(unsigned long size, gfp_t gfp_mask, pgprot_t prot)

{

	/*

	 * kmalloc doesn't like __GFP_HIGHMEM for some reason

	 *  You can't specify __GFP_HIGHMEM with kmalloc() since kmalloc()

	 * returns only a logical address.

	 */

	return kmalloc(size, (gfp_mask | __GFP_COMP) & ~__GFP_HIGHMEM);

}