diff options
Diffstat (limited to 'mm/memory.c')
| -rw-r--r-- | mm/memory.c | 21 |
1 files changed, 6 insertions, 15 deletions
diff --git a/mm/memory.c b/mm/memory.c index eae20eb66bfc..0a72f821ccdc 100644 --- a/mm/memory.c +++ b/mm/memory.c @@ -300,15 +300,14 @@ bool __tlb_remove_page_size(struct mmu_gather *tlb, struct page *page, int page_ struct mmu_gather_batch *batch; VM_BUG_ON(!tlb->end); - - if (!tlb->page_size) - tlb->page_size = page_size; - else { - if (page_size != tlb->page_size) - return true; - } + VM_WARN_ON(tlb->page_size != page_size); batch = tlb->active; + /* + * Add the page and check if we are full. If so + * force a flush. + */ + batch->pages[batch->nr++] = page; if (batch->nr == batch->max) { if (!tlb_next_batch(tlb)) return true; @@ -316,7 +315,6 @@ bool __tlb_remove_page_size(struct mmu_gather *tlb, struct page *page, int page_ } VM_BUG_ON_PAGE(batch->nr > batch->max, page); - batch->pages[batch->nr++] = page; return false; } @@ -1122,7 +1120,6 @@ static unsigned long zap_pte_range(struct mmu_gather *tlb, pte_t *start_pte; pte_t *pte; swp_entry_t entry; - struct page *pending_page = NULL; tlb_remove_check_page_size_change(tlb, PAGE_SIZE); again: @@ -1177,7 +1174,6 @@ again: print_bad_pte(vma, addr, ptent, page); if (unlikely(__tlb_remove_page(tlb, page))) { force_flush = 1; - pending_page = page; addr += PAGE_SIZE; break; } @@ -1218,11 +1214,6 @@ again: if (force_flush) { force_flush = 0; tlb_flush_mmu_free(tlb); - if (pending_page) { - /* remove the page with new size */ - __tlb_remove_pte_page(tlb, pending_page); - pending_page = NULL; - } if (addr != end) goto again; } |