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Commit 74ccd095 authored by Jack Steiner's avatar Jack Steiner Committed by Linus Torvalds
Browse files

gru: add hugepage support 



Add support for hugepages. Easier than I originally thought.

Signed-off-by: default avatarJack Steiner <steiner@sgi.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 0cd2b081

drivers/misc/sgi-gru/grufault.c

+4 −3
Original line number Diff line number Diff line
@@ -192,10 +192,11 @@ static int non_atomic_pte_lookup(struct vm_area_struct *vma, 
{

	struct page *page;



	/* ZZZ Need to handle HUGE pages */

	if (is_vm_hugetlb_page(vma))

		return -EFAULT;

#ifdef CONFIG_HUGETLB_PAGE

	*pageshift = is_vm_hugetlb_page(vma) ? HPAGE_SHIFT : PAGE_SHIFT;

#else

	*pageshift = PAGE_SHIFT;

#endif

	if (get_user_pages

	    (current, current->mm, vaddr, 1, write, 0, &page, NULL) <= 0)

		return -EFAULT;