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mm: NUMA aware alloc_thread_info_node()

Telusuri Sumber 
Add a node parameter to alloc_thread_info(), and change its name to
alloc_thread_info_node()

This change is needed to allow NUMA aware kthread_create_on_cpu()

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Acked-by: David S. Miller <davem@davemloft.net>
Reviewed-by: Andi Kleen <ak@linux.intel.com>
Acked-by: Rusty Russell <rusty@rustcorp.com.au>
Cc: Tejun Heo <tj@kernel.org>
Cc: Tony Luck <tony.luck@intel.com>
Cc: Fenghua Yu <fenghua.yu@intel.com>
Cc: David Howells <dhowells@redhat.com>
Cc: <linux-arch@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Eric Dumazet
2011-03-22 16:30:42 -07:00
committed by Linus Torvalds
orang tua 504f52b543
melakukan b6a84016bd
19 mengubah file dengan 70 tambahan dan 64 penghapusan
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16
arch/sh/kernel/process.c
Melihat File

@@ -32,16 +32,16 @@ void free_thread_xstate(struct task_struct *tsk)
#if THREAD_SHIFT < PAGE_SHIFT
static struct kmem_cache *thread_info_cache;
struct thread_info *alloc_thread_info(struct task_struct *tsk)
struct thread_info *alloc_thread_info(struct task_struct *tsk, int node)
{
struct thread_info *ti;
ti = kmem_cache_alloc(thread_info_cache, GFP_KERNEL);
if (unlikely(ti == NULL))
return NULL;
#ifdef CONFIG_DEBUG_STACK_USAGE
memset(ti, 0, THREAD_SIZE);
gfp_t mask = GFP_KERNEL | __GFP_ZERO;
#else
gfp_t mask = GFP_KERNEL;
#endif
ti = kmem_cache_alloc_node(thread_info_cache, mask, node);
return ti;
}
@@ -64,7 +64,9 @@ struct thread_info *alloc_thread_info(struct task_struct *tsk)
#else
gfp_t mask = GFP_KERNEL;
#endif
return (struct thread_info *)__get_free_pages(mask, THREAD_SIZE_ORDER);
struct page *page = alloc_pages_node(node, mask, THREAD_SIZE_ORDER);
return page ? page_address(page) : NULL;
}
void free_thread_info(struct thread_info *ti)