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Commit c728852f authored by Oleg Nesterov's avatar Oleg Nesterov Committed by Linus Torvalds
Browse files

mm: thp: __get_page_tail_foll() can use get_huge_page_tail() 



Cleanup. Change __get_page_tail_foll() to use get_huge_page_tail()
to avoid the code duplication.

Signed-off-by: default avatarOleg Nesterov <oleg@redhat.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Dave Jones <davej@redhat.com>
Cc: Darren Hart <dvhart@linux.intel.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Mel Gorman <mgorman@suse.de>
Acked-by: default avatarAndrea Arcangeli <aarcange@redhat.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 9b7ac260

mm/internal.h

+1 −4
Original line number Diff line number Diff line
@@ -47,12 +47,9 @@ static inline void __get_page_tail_foll(struct page *page, 
	 * page_cache_get_speculative()) on tail pages.

	 */

	VM_BUG_ON(atomic_read(&page->first_page->_count) <= 0);

	VM_BUG_ON(atomic_read(&page->_count) != 0);

	VM_BUG_ON(page_mapcount(page) < 0);

	if (get_page_head)

		atomic_inc(&page->first_page->_count);

	if (compound_tail_refcounted(page->first_page))

		atomic_inc(&page->_mapcount);

	get_huge_page_tail(page);

}



/*