diff options
Diffstat (limited to 'include/linux/page-flags.h')
| -rw-r--r-- | include/linux/page-flags.h | 23 |
1 files changed, 11 insertions, 12 deletions
diff --git a/include/linux/page-flags.h b/include/linux/page-flags.h index 7a871e8e2a0..327a0190358 100644 --- a/include/linux/page-flags.h +++ b/include/linux/page-flags.h @@ -109,16 +109,9 @@ enum pageflags { #ifdef CONFIG_TRANSPARENT_HUGEPAGE PG_compound_lock, #endif -#ifdef CONFIG_KSM_CHECK_PAGE - PG_ksm_scan0, /* page has been scanned by even KSM cycle */ -#endif PG_readahead, /* page in a readahead window */ __NR_PAGEFLAGS, -#ifdef CONFIG_KSM_CHECK_PAGE - /* page has been scanned by odd KSM cycle */ - PG_ksm_scan1 = PG_owner_priv_1, -#endif /* Filesystems */ PG_checked = PG_owner_priv_1, @@ -218,10 +211,6 @@ PAGEFLAG(Reserved, reserved) __CLEARPAGEFLAG(Reserved, reserved) PAGEFLAG(SwapBacked, swapbacked) __CLEARPAGEFLAG(SwapBacked, swapbacked) __PAGEFLAG(SlobFree, slob_free) -#ifdef CONFIG_KSM_CHECK_PAGE -CLEARPAGEFLAG(KsmScan0, ksm_scan0) TESTSETFLAG(KsmScan0, ksm_scan0) -CLEARPAGEFLAG(KsmScan1, ksm_scan1) TESTSETFLAG(KsmScan1, ksm_scan1) -#endif /* * Private page markings that may be used by the filesystem that owns the page @@ -329,13 +318,23 @@ CLEARPAGEFLAG(Uptodate, uptodate) extern void cancel_dirty_page(struct page *page, unsigned int account_size); int test_clear_page_writeback(struct page *page); -int test_set_page_writeback(struct page *page); +int __test_set_page_writeback(struct page *page, bool keep_write); + +#define test_set_page_writeback(page) \ + __test_set_page_writeback(page, false) +#define test_set_page_writeback_keepwrite(page) \ + __test_set_page_writeback(page, true) static inline void set_page_writeback(struct page *page) { test_set_page_writeback(page); } +static inline void set_page_writeback_keepwrite(struct page *page) +{ + test_set_page_writeback_keepwrite(page); +} + #ifdef CONFIG_PAGEFLAGS_EXTENDED /* * System with lots of page flags available. This allows separate |