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| author | Robert P. J. Day <rpjday@mindspring.com> | 2007-10-19 23:11:38 +0200 |
|---|---|---|
| committer | Adrian Bunk <bunk@kernel.org> | 2007-10-19 23:11:38 +0200 |
| commit | 8518609deeacebafd71855f87cc411adb0c3be4e (patch) | |
| tree | 899ae1c7eaa49aa4641351868d77fc6c60006ed7 /mm | |
| parent | 3a4fa0a25da81600ea0bcd75692ae8ca6050d165 (diff) | |
| download | lwn-8518609deeacebafd71855f87cc411adb0c3be4e.tar.gz lwn-8518609deeacebafd71855f87cc411adb0c3be4e.zip | |
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: Robert P. J. Day <rpjday@mindspring.com>
Signed-off-by: Adrian Bunk <bunk@kernel.org>
Diffstat (limited to 'mm')
| -rw-r--r-- | mm/nommu.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/mm/nommu.c b/mm/nommu.c index 42fb84e9e815..8f09333f78e1 100644 --- a/mm/nommu.c +++ b/mm/nommu.c @@ -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); } |