# HG changeset patch # User yamahata@xxxxxxxxxxxxx # Date 1159867300 -32400 # Node ID 8ba0111bb95fbd2193a5b4e59fad6cde91ceda3c # Parent 6e7cc23ab18c23fdb2a8b4d0a7778c4144851818 make MAX_SKBUFF_ORDER page size independent. Presumably the original value 4 comes from 64KB = (4KB << 4) which is ip packet maximum size. However page size is not always 4KB. e.g. IA64 default page size is 16KB. PATCHNAME: max_skbuff_order Signed-off-by: Isaku Yamahata diff -r 6e7cc23ab18c -r 8ba0111bb95f linux-2.6-xen-sparse/drivers/xen/core/skbuff.c --- a/linux-2.6-xen-sparse/drivers/xen/core/skbuff.c Mon Oct 02 21:53:07 2006 -0600 +++ b/linux-2.6-xen-sparse/drivers/xen/core/skbuff.c Tue Oct 03 18:21:40 2006 +0900 @@ -18,7 +18,11 @@ /*static*/ kmem_cache_t *skbuff_cachep; EXPORT_SYMBOL(skbuff_cachep); -#define MAX_SKBUFF_ORDER 4 +#if PAGE_SHIFT < 16 +#define MAX_SKBUFF_ORDER (16 - PAGE_SHIFT) +#else +#define MAX_SKBUFF_ORDER 1 +#endif static kmem_cache_t *skbuff_order_cachep[MAX_SKBUFF_ORDER + 1]; static struct {