Commit 0fef147b authored by Miaohe Lin's avatar Miaohe Lin Committed by Linus Torvalds
Browse files

mm: gup: remove unneed local variable orig_refs 

Remove unneed local variable orig_refs since refs is unchanged now.

Link: https://lkml.kernel.org/r/20210807093620.21347-3-linmiaohe@huawei.com


Signed-off-by: default avatarMiaohe Lin <linmiaohe@huawei.com>
Reviewed-by: default avatarJohn Hubbard <jhubbard@nvidia.com>
Reviewed-by: default avatarClaudio Imbrenda <imbrenda@linux.ibm.com>
Reviewed-by: default avatarDavid Hildenbrand <david@redhat.com>
Cc: Jan Kara <jack@suse.cz>
Cc: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 8fed2f3c

mm/gup.c

+1 −3
Original line number Diff line number Diff line
@@ -117,8 +117,6 @@ __maybe_unused struct page *try_grab_compound_head(struct page *page, 
	if (flags & FOLL_GET)

		return try_get_compound_head(page, refs);

	else if (flags & FOLL_PIN) {

		int orig_refs = refs;



		/*

		 * Can't do FOLL_LONGTERM + FOLL_PIN gup fast path if not in a

		 * right zone, so fail and let the caller fall back to the slow
@@ -150,7 +148,7 @@ __maybe_unused struct page *try_grab_compound_head(struct page *page, 
			page_ref_add(page, refs * (GUP_PIN_COUNTING_BIAS - 1));



		mod_node_page_state(page_pgdat(page), NR_FOLL_PIN_ACQUIRED,

				    orig_refs);

				    refs);



		return page;

	}