Messages in this thread Patch in this message | | | From | Erich Focht <> | Subject | [PATCH] node affine NUMA scheduler 4/5 | Date | Mon, 14 Oct 2002 13:09:50 +0200 |
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---------- Resent Message ----------
Subject: [PATCH] node affine NUMA scheduler 4/5 Date: Fri, 11 Oct 2002 20:01:39 +0200
Ooops, this went out empty. It's so simple, anyway. Sorry...
On Friday 11 October 2002 19:59, Erich Focht wrote: > And here comes the fourth part... > > > 04-alloc_on_homenode.patch : > > Coupling with the memory allocator: for user tasks allocate memory > > from the homenode, no matter on which node the task is scheduled.
Erich diff -urNp 2.5.39-disc-na/include/linux/gfp.h 2.5.39-disc-nac/include/linux/gfp.h --- 2.5.39-disc-na/include/linux/gfp.h Fri Sep 27 23:49:16 2002 +++ 2.5.39-disc-nac/include/linux/gfp.h Tue Oct 8 16:16:04 2002 @@ -51,9 +51,13 @@ extern struct page * alloc_pages_node(in */ static inline struct page * alloc_pages(unsigned int gfp_mask, unsigned int order) { - pg_data_t *pgdat = NODE_DATA(numa_node_id()); + pg_data_t *pgdat; unsigned int idx = (gfp_mask & GFP_ZONEMASK); + if (current->active_mm == &init_mm) + pgdat = NODE_DATA(numa_node_id()); + else + pgdat = NODE_DATA(current->node); if (unlikely(order >= MAX_ORDER)) return NULL; | |