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fork: Move thread info gfp flags to header

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These flags can be useful for extra allocations outside of the core
code.

Add __GFP_NOTRACK to them, so the archs which have kmemcheck do
not have to provide extra allocators just for that reason.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/20120505150141.428211694@linutronix.de
This commit is contained in:
Thomas Gleixner
2012-05-05 15:05:41 +00:00
parent 6c0a9fa62f
commit 2889f60814
2 changed files with 8 additions and 6 deletions
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8
kernel/fork.c
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@ -123,12 +123,8 @@ static struct kmem_cache *task_struct_cachep;
static struct thread_info *alloc_thread_info_node(struct task_struct *tsk,
int node)
{
#ifdef CONFIG_DEBUG_STACK_USAGE
gfp_t mask = GFP_KERNEL | __GFP_ZERO;
#else
gfp_t mask = GFP_KERNEL;
#endif
struct page *page = alloc_pages_node(node, mask, THREAD_SIZE_ORDER);
struct page *page = alloc_pages_node(node, THREADINFO_GFP,
THREAD_SIZE_ORDER);
return page ? page_address(page) : NULL;
}