From 5cbd7980af4036832960b217d9b2aebeed72b6b3 Mon Sep 17 00:00:00 2001 From: Alexandre Frade Date: Mon, 2 Nov 2020 04:21:45 +0000 Subject: [PATCH] Revert "mm: set to 8 megabytes for address_space-level file read-ahead pages size" This reverts commit 538d787838269e20bcfd58e26235cb2c2eee153e. --- include/linux/pagemap.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/include/linux/pagemap.h b/include/linux/pagemap.h index 590bfc3ed1b41..10c7117d7b04b 100644 --- a/include/linux/pagemap.h +++ b/include/linux/pagemap.h @@ -699,7 +699,7 @@ int replace_page_cache_page(struct page *old, struct page *new, gfp_t gfp_mask); void delete_from_page_cache_batch(struct address_space *mapping, struct pagevec *pvec); -#define VM_READAHEAD_PAGES (SZ_8M / PAGE_SIZE) +#define VM_READAHEAD_PAGES (SZ_2M / PAGE_SIZE) void page_cache_sync_readahead(struct address_space *, struct file_ra_state *, struct file *, pgoff_t index, unsigned long req_count);