mm: fix some typos in mm directory (8bb4e7a2) · Commits · 戴 / test

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 @@ redo:
		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
		*/

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