Commit 8bb4e7a2 authored by Wei Yang's avatar Wei Yang Committed by Linus Torvalds
Browse files

mm: fix some typos in mm directory 

No functional change.

Link: http://lkml.kernel.org/r/20190118235123.27843-1-richard.weiyang@gmail.com


Signed-off-by: default avatarWei Yang <richard.weiyang@gmail.com>
Reviewed-by: default avatarPekka Enberg <penberg@kernel.org>
Acked-by: default avatarMike Rapoport <rppt@linux.ibm.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 8aa49762

include/linux/mmzone.h

+1 −1
Original line number Diff line number Diff line
@@ -1301,7 +1301,7 @@ void memory_present(int nid, unsigned long start, unsigned long end); 


/*

 * If it is possible to have holes within a MAX_ORDER_NR_PAGES, then we

 * need to check pfn validility within that MAX_ORDER_NR_PAGES block.

 * need to check pfn validity within that MAX_ORDER_NR_PAGES block.

 * pfn_valid_within() should be used in this case; we optimise this away

 * when we have no holes within a MAX_ORDER_NR_PAGES block.

 */

mm/migrate.c

+1 −1
Original line number Diff line number Diff line
@@ -100,7 +100,7 @@ int isolate_movable_page(struct page *page, isolate_mode_t mode) 
	/*

	 * Check PageMovable before holding a PG_lock because page's owner

	 * assumes anybody doesn't touch PG_lock of newly allocated page

	 * so unconditionally grapping the lock ruins page's owner side.

	 * so unconditionally grabbing the lock ruins page's owner side.

	 */

	if (unlikely(!__PageMovable(page)))

		goto out_putpage;

mm/mmap.c

+4 −4
Original line number Diff line number Diff line
@@ -438,7 +438,7 @@ static void vma_gap_update(struct vm_area_struct *vma) 
{

	/*

	 * As it turns out, RB_DECLARE_CALLBACKS() already created a callback

	 * function that does exacltly what we want.

	 * function that does exactly what we want.

	 */

	vma_gap_callbacks_propagate(&vma->vm_rb, NULL);

}
@@ -1012,7 +1012,7 @@ static inline int is_mergeable_vma(struct vm_area_struct *vma, 
	 * VM_SOFTDIRTY should not prevent from VMA merging, if we

	 * match the flags but dirty bit -- the caller should mark

	 * merged VMA as dirty. If dirty bit won't be excluded from

	 * comparison, we increase pressue on the memory system forcing

	 * comparison, we increase pressure on the memory system forcing

	 * the kernel to generate new VMAs when old one could be

	 * extended instead.

	 */
@@ -1115,7 +1115,7 @@ can_vma_merge_after(struct vm_area_struct *vma, unsigned long vm_flags, 
 *    PPPP    NNNN    PPPPPPPPPPPP    PPPPPPPPNNNN    PPPPNNNNNNNN

 *    might become    case 1 below    case 2 below    case 3 below

 *

 * It is important for case 8 that the the vma NNNN overlapping the

 * It is important for case 8 that the vma NNNN overlapping the

 * region AAAA is never going to extended over XXXX. Instead XXXX must

 * be extended in region AAAA and NNNN must be removed. This way in

 * all cases where vma_merge succeeds, the moment vma_adjust drops the
@@ -1645,7 +1645,7 @@ SYSCALL_DEFINE1(old_mmap, struct mmap_arg_struct __user *, arg) 
#endif /* __ARCH_WANT_SYS_OLD_MMAP */



/*

 * Some shared mappigns will want the pages marked read-only

 * Some shared mappings will want the pages marked read-only

 * to track write events. If so, we'll downgrade vm_page_prot

 * to the private version (using protection_map[] without the

 * VM_SHARED bit).

mm/page_alloc.c

+2 −2
Original line number Diff line number Diff line
@@ -7551,7 +7551,7 @@ static void __setup_per_zone_wmarks(void) 
			 * value here.

			 *

			 * The WMARK_HIGH-WMARK_LOW and (WMARK_LOW-WMARK_MIN)

			 * deltas control asynch page reclaim, and so should

			 * deltas control async page reclaim, and so should

			 * not be capped for highmem.

			 */

			unsigned long min_pages;
@@ -8028,7 +8028,7 @@ bool has_unmovable_pages(struct zone *zone, struct page *page, int count, 


		/*

		 * Hugepages are not in LRU lists, but they're movable.

		 * We need not scan over tail pages bacause we don't

		 * We need not scan over tail pages because we don't

		 * handle each tail page individually in migration.

		 */

		if (PageHuge(page)) {

mm/slub.c

+1 −1
Original line number Diff line number Diff line
@@ -2129,7 +2129,7 @@ static void deactivate_slab(struct kmem_cache *s, struct page *page, 
		if (!lock) {

			lock = 1;

			/*

			 * Taking the spinlock removes the possiblity

			 * Taking the spinlock removes the possibility

			 * that acquire_slab() will see a slab page that

			 * is frozen

			 */