They're the same function, and for the purpose of all callers they are equivalent to lru_cache_add().
Signed-off-by: Johannes Weiner <[email protected]> Reviewed-by: Rik van Riel <[email protected]> Acked-by: Michal Hocko <[email protected]> Acked-by: Minchan Kim <[email protected]> --- fs/cifs/file.c | 10 +++++----- fs/fuse/dev.c | 2 +- include/linux/swap.h | 2 -- mm/khugepaged.c | 8 ++------ mm/memory.c | 2 +- mm/shmem.c | 6 +++--- mm/swap.c | 38 ++++++++------------------------------ mm/swap_state.c | 2 +- 8 files changed, 21 insertions(+), 49 deletions(-) diff --git a/fs/cifs/file.c b/fs/cifs/file.c index 0b1528edebcf..169ab37bb3aa 100644 --- a/fs/cifs/file.c +++ b/fs/cifs/file.c @@ -4162,7 +4162,7 @@ cifs_readv_complete(struct work_struct *work) for (i = 0; i < rdata->nr_pages; i++) { struct page *page = rdata->pages[i]; - lru_cache_add_file(page); + lru_cache_add(page); if (rdata->result == 0 || (rdata->result == -EAGAIN && got_bytes)) { @@ -4232,7 +4232,7 @@ readpages_fill_pages(struct TCP_Server_Info *server, * fill them until the writes are flushed. */ zero_user(page, 0, PAGE_SIZE); - lru_cache_add_file(page); + lru_cache_add(page); flush_dcache_page(page); SetPageUptodate(page); unlock_page(page); @@ -4242,7 +4242,7 @@ readpages_fill_pages(struct TCP_Server_Info *server, continue; } else { /* no need to hold page hostage */ - lru_cache_add_file(page); + lru_cache_add(page); unlock_page(page); put_page(page); rdata->pages[i] = NULL; @@ -4437,7 +4437,7 @@ static int cifs_readpages(struct file *file, struct address_space *mapping, /* best to give up if we're out of mem */ list_for_each_entry_safe(page, tpage, &tmplist, lru) { list_del(&page->lru); - lru_cache_add_file(page); + lru_cache_add(page); unlock_page(page); put_page(page); } @@ -4475,7 +4475,7 @@ static int cifs_readpages(struct file *file, struct address_space *mapping, add_credits_and_wake_if(server, &rdata->credits, 0); for (i = 0; i < rdata->nr_pages; i++) { page = rdata->pages[i]; - lru_cache_add_file(page); + lru_cache_add(page); unlock_page(page); put_page(page); } diff --git a/fs/fuse/dev.c b/fs/fuse/dev.c index 97eec7522bf2..8c0cc79d8071 100644 --- a/fs/fuse/dev.c +++ b/fs/fuse/dev.c @@ -840,7 +840,7 @@ static int fuse_try_move_page(struct fuse_copy_state *cs, struct page **pagep) get_page(newpage); if (!(buf->flags & PIPE_BUF_FLAG_LRU)) - lru_cache_add_file(newpage); + lru_cache_add(newpage); err = 0; spin_lock(&cs->req->waitq.lock); diff --git a/include/linux/swap.h b/include/linux/swap.h index b42fb47d8cbe..30fd4641890e 100644 --- a/include/linux/swap.h +++ b/include/linux/swap.h @@ -334,8 +334,6 @@ extern unsigned long nr_free_pagecache_pages(void); /* linux/mm/swap.c */ extern void lru_cache_add(struct page *); -extern void lru_cache_add_anon(struct page *page); -extern void lru_cache_add_file(struct page *page); extern void lru_add_page_tail(struct page *page, struct page *page_tail, struct lruvec *lruvec, struct list_head *head); extern void activate_page(struct page *); diff --git a/mm/khugepaged.c b/mm/khugepaged.c index f2e0a5e5cfbb..d458c61d6195 100644 --- a/mm/khugepaged.c +++ b/mm/khugepaged.c @@ -1869,13 +1869,9 @@ static void collapse_file(struct mm_struct *mm, SetPageUptodate(new_page); page_ref_add(new_page, HPAGE_PMD_NR - 1); - - if (is_shmem) { + if (is_shmem) set_page_dirty(new_page); - lru_cache_add_anon(new_page); - } else { - lru_cache_add_file(new_page); - } + lru_cache_add(new_page); /* * Remove pte page tables, so we can re-fault the page as huge. diff --git a/mm/memory.c b/mm/memory.c index b4efc125ae09..a1813ca388a8 100644 --- a/mm/memory.c +++ b/mm/memory.c @@ -3139,7 +3139,7 @@ vm_fault_t do_swap_page(struct vm_fault *vmf) if (err) goto out_page; - lru_cache_add_anon(page); + lru_cache_add(page); swap_readpage(page, true); } } else { diff --git a/mm/shmem.c b/mm/shmem.c index e83de27ce8f4..ea95a3e46fbb 100644 --- a/mm/shmem.c +++ b/mm/shmem.c @@ -1609,7 +1609,7 @@ static int shmem_replace_page(struct page **pagep, gfp_t gfp, */ oldpage = newpage; } else { - lru_cache_add_anon(newpage); + lru_cache_add(newpage); *pagep = newpage; } @@ -1860,7 +1860,7 @@ static int shmem_getpage_gfp(struct inode *inode, pgoff_t index, charge_mm); if (error) goto unacct; - lru_cache_add_anon(page); + lru_cache_add(page); spin_lock_irq(&info->lock); info->alloced += compound_nr(page); @@ -2376,7 +2376,7 @@ static int shmem_mfill_atomic_pte(struct mm_struct *dst_mm, if (!pte_none(*dst_pte)) goto out_release_unlock; - lru_cache_add_anon(page); + lru_cache_add(page); spin_lock_irq(&info->lock); info->alloced++; diff --git a/mm/swap.c b/mm/swap.c index 68eae1e2787a..c93a6c84464c 100644 --- a/mm/swap.c +++ b/mm/swap.c @@ -403,35 +403,6 @@ void mark_page_accessed(struct page *page) } EXPORT_SYMBOL(mark_page_accessed); -static void __lru_cache_add(struct page *page) -{ - struct pagevec *pvec = &get_cpu_var(lru_add_pvec); - - get_page(page); - if (!pagevec_add(pvec, page) || PageCompound(page)) - __pagevec_lru_add(pvec); - put_cpu_var(lru_add_pvec); -} - -/** - * lru_cache_add_anon - add a page to the page lists - * @page: the page to add - */ -void lru_cache_add_anon(struct page *page) -{ - if (PageActive(page)) - ClearPageActive(page); - __lru_cache_add(page); -} - -void lru_cache_add_file(struct page *page) -{ - if (PageActive(page)) - ClearPageActive(page); - __lru_cache_add(page); -} -EXPORT_SYMBOL(lru_cache_add_file); - /** * lru_cache_add - add a page to a page list * @page: the page to be added to the LRU. @@ -443,10 +414,17 @@ EXPORT_SYMBOL(lru_cache_add_file); */ void lru_cache_add(struct page *page) { + struct pagevec *pvec = &get_cpu_var(lru_add_pvec); + VM_BUG_ON_PAGE(PageActive(page) && PageUnevictable(page), page); VM_BUG_ON_PAGE(PageLRU(page), page); - __lru_cache_add(page); + + get_page(page); + if (!pagevec_add(pvec, page) || PageCompound(page)) + __pagevec_lru_add(pvec); + put_cpu_var(lru_add_pvec); } +EXPORT_SYMBOL(lru_cache_add); /** * lru_cache_add_active_or_unevictable diff --git a/mm/swap_state.c b/mm/swap_state.c index 17123caec6dd..b5e08ff00e1e 100644 --- a/mm/swap_state.c +++ b/mm/swap_state.c @@ -432,7 +432,7 @@ struct page *__read_swap_cache_async(swp_entry_t entry, gfp_t gfp_mask, /* Initiate read into locked page */ SetPageWorkingset(page); - lru_cache_add_anon(page); + lru_cache_add(page); *new_page_allocated = true; return page; -- 2.26.2
