Nick Piggin wrote:
Hmm, forget that. Actually my last patch had a silly mistake because I
forgot MAX_ORDER shift is applied to PAGE_SIZE, rather than 1. So
kmalloc(PAGE_SIZE) was failing as too large.
This patch should do the trick I hope.
Yes this patch fixed the issue for me. Thanks Nick.
Regards
-Sachin
Thanks,
Nick
---
include/linux/slqb_def.h | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
Index: linux-2.6/include/linux/slqb_def.h
===================================================================
--- linux-2.6.orig/include/linux/slqb_def.h
+++ linux-2.6/include/linux/slqb_def.h
@@ -172,7 +172,8 @@ struct kmem_cache {
#endif
#define KMALLOC_SHIFT_LOW ilog2(KMALLOC_MIN_SIZE)
-#define KMALLOC_SHIFT_SLQB_HIGH (PAGE_SHIFT + 9)
+#define KMALLOC_SHIFT_SLQB_HIGH (PAGE_SHIFT + \
+ ((9 <= (MAX_ORDER - 1)) ? 9 : (MAX_ORDER - 1)))
extern struct kmem_cache kmalloc_caches[KMALLOC_SHIFT_SLQB_HIGH + 1];
extern struct kmem_cache kmalloc_caches_dma[KMALLOC_SHIFT_SLQB_HIGH + 1];
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--
---------------------------------
Sachin Sant
IBM Linux Technology Center
India Systems and Technology Labs
Bangalore, India
---------------------------------
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