diff options
author | Jonathan Corbet <corbet@lwn.net> | 2019-10-29 04:43:29 -0600 |
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committer | Jonathan Corbet <corbet@lwn.net> | 2019-10-29 04:43:29 -0600 |
commit | 822bbba0cabb50825a0ce22707dc45eb82d02853 (patch) | |
tree | ea61d4ca72cb60b4cae8e95f64eefa7cd2a36603 /include/linux/page_ext.h | |
parent | d41abfd7ae33cd3c1d9189438937d61cb75e690a (diff) | |
parent | 7d194c2100ad2a6dded545887d02754948ca5241 (diff) |
Merge tag 'v5.4-rc4' into docs-next
I need to pick up the independent changes made to
Documentation/core-api/memory-allocation.rst to be able to merge further
work without creating a total mess.
Diffstat (limited to 'include/linux/page_ext.h')
-rw-r--r-- | include/linux/page_ext.h | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/include/linux/page_ext.h b/include/linux/page_ext.h index 682fd465df06..cfce186f0c4e 100644 --- a/include/linux/page_ext.h +++ b/include/linux/page_ext.h @@ -18,7 +18,7 @@ struct page_ext_operations { enum page_ext_flags { PAGE_EXT_OWNER, - PAGE_EXT_OWNER_ACTIVE, + PAGE_EXT_OWNER_ALLOCATED, #if defined(CONFIG_IDLE_PAGE_TRACKING) && !defined(CONFIG_64BIT) PAGE_EXT_YOUNG, PAGE_EXT_IDLE, @@ -36,6 +36,7 @@ struct page_ext { unsigned long flags; }; +extern unsigned long page_ext_size; extern void pgdat_page_ext_init(struct pglist_data *pgdat); #ifdef CONFIG_SPARSEMEM @@ -52,6 +53,13 @@ static inline void page_ext_init(void) struct page_ext *lookup_page_ext(const struct page *page); +static inline struct page_ext *page_ext_next(struct page_ext *curr) +{ + void *next = curr; + next += page_ext_size; + return next; +} + #else /* !CONFIG_PAGE_EXTENSION */ struct page_ext; |