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mm: remove the page size change check in tlb_remove_page

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Now that we check for page size change early in the loop, we can
partially revert e9d55e1570 ("mm: change the interface for
__tlb_remove_page").

This simplies the code much, by removing the need to track the last
address with which we adjusted the range.  We also go back to the older
way of filling the mmu_gather array, ie, we add an entry and then check
whether the gather batch is full.

Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Aneesh Kumar K.V <[email protected]>
Cc: "Kirill A. Shutemov" <[email protected]>
Cc: Dan Williams <[email protected]>
Cc: Ross Zwisler <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Aneesh Kumar K.V 2016-12-12 16:42:43 -08:00 • committed by Linus Torvalds
commit 692a68c154
7 changed files with 15 additions and 81 deletions
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6
arch/um/include/asm/tlb.h
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@ -116,12 +116,6 @@ static inline bool __tlb_remove_page_size(struct mmu_gather *tlb,
return __tlb_remove_page(tlb, page);
}
static inline bool __tlb_remove_pte_page(struct mmu_gather *tlb,
struct page *page)
{
return __tlb_remove_page(tlb, page);
}
static inline void tlb_remove_page_size(struct mmu_gather *tlb,
struct page *page, int page_size)
{