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Commit c0a499c2 authored by Kenneth W Chen's avatar Kenneth W Chen Committed by Linus Torvalds
Browse files

[PATCH] __unmap_hugepage_range(): add comment 



Signed-off-by: default avatarKen Chen <kenneth.w.chen@intel.com>
Cc: David Gibson <david@gibson.dropbear.id.au>
Cc: Hugh Dickins <hugh@veritas.com>
Signed-off-by: default avatarAndrew Morton <akpm@osdl.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
parent 0798e519

mm/hugetlb.c

+5 −0
Original line number Diff line number Diff line
@@ -365,6 +365,11 @@ void __unmap_hugepage_range(struct vm_area_struct *vma, unsigned long start, 
	pte_t pte;

	struct page *page;

	struct page *tmp;

	/*

	 * A page gathering list, protected by per file i_mmap_lock. The

	 * lock is used to avoid list corruption from multiple unmapping

	 * of the same page since we are using page->lru.

	 */

	LIST_HEAD(page_list);



	WARN_ON(!is_vm_hugetlb_page(vma));