Re: [PATCH] mm: move MACRO SLAB_NEVER_MERGE and SLAB_MERGE_SAME to file linux/slab.h

[Christoph Lameter]

On Wed, 7 Jan 2015, Bryton Lee wrote:

> move MACRO SLAB_NEVER_MERGE and SLAB_MERGE_SAME from file mm/slab_common.c
> to file linux/slab.h.
> let other kernel code create slab can use these flags.

This does not make sense. The fact that a slab has been merged is
available from a field in the kmem_cache structure (aliases).


These two macros are criteria for the slab allocators to perform merges.
The merge decision is the slab allocators decision and not the decision of
other kernel code.


--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/