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

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
......@@ -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);
}
......
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