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Commit ca6ec3bb authored by Kirill A. Shutemov's avatar Kirill A. Shutemov Committed by Linus Torvalds
Browse files

arc: handle pgtable_page_ctor() fail 



Signed-off-by: default avatarKirill A. Shutemov <kirill.shutemov@linux.intel.com>
Acked-by: Vineet Gupta <vgupta@synopsys.com> [for arch/arc bits]
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 3fd681b6

arch/arc/include/asm/pgalloc.h

+8 −3
Original line number Diff line number Diff line
@@ -105,11 +105,16 @@ static inline pgtable_t 
pte_alloc_one(struct mm_struct *mm, unsigned long address)

{

	pgtable_t pte_pg;

	struct page *page;



	pte_pg = __get_free_pages(GFP_KERNEL | __GFP_REPEAT, __get_order_pte());

	if (pte_pg) {

	if (!pte_pg)

		return 0;

	memzero((void *)pte_pg, PTRS_PER_PTE * 4);

		pgtable_page_ctor(virt_to_page(pte_pg));

	page = virt_to_page(pte_pg);

	if (!pgtable_page_ctor(page)) {

		__free_page(page);

		return 0;

	}



	return pte_pg;