RE: 2.4.9/2.4.18 max kernel allocation size

From: Gianni Tedesco (
Date: Wed Oct 09 2002 - 05:22:38 EST

On Tue, 2002-10-08 at 16:35, Joseph D. Wagner wrote:
> I might be thinking of something totally different than what you're
> talking about, but here it goes:
> Change line 18 of mmzone.h from:
> #define MAX_ORDER 10
> to
> #define MAX_ORDER 24
> This allows larger contiguous chunks of memory to be allocated, up to
> 32GB.

He's using vmalloc, so I assume he doesn't need physically contiguous
memory, rather virtually contigous. This code won't change a thing for
his vmalloc() calls AFAICS.

// Gianni Tedesco (gianni at ecsc dot co dot uk)
lynx --source | gpg --import
8646BE7D: 6D9F 2287 870E A2C9 8F60 3A3C 91B5 7669 8646 BE7D

- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to More majordomo info at Please read the FAQ at

This archive was generated by hypermail 2b29 : Tue Oct 15 2002 - 22:00:30 EST