On Mon, 5 Oct 2009, Lee Schermerhorn wrote:
> [PATCH 3/11] - hugetlb: factor init_nodemask_of_node()
>
> Against: 2.6.31-mmotm-090925-1435
>
> New in V5 of series
>
> V6: + rename 'init_nodemask_of_nodes()' to 'init_nodemask_of_node()'
> + redefine init_nodemask_of_node() as static inline fcn
> + move this patch back 1 in series
>
> V8: + factor 'init_nodemask_of_node()' from nodemask_of_node()
> + drop alloc_nodemask_of_node() -- not used any more
>
> V9: + remove extra parens around arguments now that init_nodemask_of_node
> is not longer a macro.
>
I don't see this change in v9, the extra parentheses are still there in
the inline function.
> Factor init_nodemask_of_node() out of the nodemask_of_node()
> macro.
>
> This will be used to populate the huge pages "nodes_allowed"
> nodemask for a single node when basing nodes_allowed on a
> preferred/local mempolicy or when a persistent huge page
> pool page count is modified via a per node sysfs attribute.
>
> Signed-off-by: Lee Schermerhorn <lee.schermerhorn@xxxxxx>
> Acked-by: Mel Gorman <mel@xxxxxxxxx>
>
> include/linux/nodemask.h | 9 +++++++--
> 1 file changed, 7 insertions(+), 2 deletions(-)
>
> Index: linux-2.6.31-mmotm-090925-1435/include/linux/nodemask.h
> ===================================================================
> --- linux-2.6.31-mmotm-090925-1435.orig/include/linux/nodemask.h 2009-09-30 11:19:52.000000000 -0400
> +++ linux-2.6.31-mmotm-090925-1435/include/linux/nodemask.h 2009-09-30 11:22:01.000000000 -0400
> @@ -245,14 +245,19 @@ static inline int __next_node(int n, con
> return min_t(int,MAX_NUMNODES,find_next_bit(srcp->bits, MAX_NUMNODES, n+1));
> }
>
> +static inline void init_nodemask_of_node(nodemask_t *mask, int node)
> +{
> + nodes_clear(*(mask));
> + node_set((node), *(mask));
> +}
> +
> #define nodemask_of_node(node) \
> ({ \
> typeof(_unused_nodemask_arg_) m; \
> if (sizeof(m) == sizeof(unsigned long)) { \
> m.bits[0] = 1UL<<(node); \
> } else { \
> - nodes_clear(m); \
> - node_set((node), m); \
> + init_nodemask_of_node(&m, (node)); \
> } \
> m; \
> })
>
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