diff options
| author | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-03-26 05:33:09 -0300 |
|---|---|---|
| committer | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-03-26 05:33:09 -0300 |
| commit | 4a327fcef90ba27150a3e8741441b68c605ae248 (patch) | |
| tree | dedef84cccbd02054df4cfb844dd3c9d588edf83 /include/linux/page-flags.h | |
| parent | a156245300d5362a3b4c4afdace9e2b90169fe43 (diff) | |
Add TuxOnIce support adapted for the 4.5-gnu kernel versionpck-4.5-gnu
Diffstat (limited to 'include/linux/page-flags.h')
| -rw-r--r-- | include/linux/page-flags.h | 25 |
1 files changed, 23 insertions, 2 deletions
diff --git a/include/linux/page-flags.h b/include/linux/page-flags.h index 19724e6eb..2e7ecb771 100644 --- a/include/linux/page-flags.h +++ b/include/linux/page-flags.h @@ -101,6 +101,12 @@ enum pageflags { #ifdef CONFIG_MEMORY_FAILURE PG_hwpoison, /* hardware poisoned page. Don't touch */ #endif +#ifdef CONFIG_TOI_INCREMENTAL + PG_toi_untracked, /* Don't track dirtiness of this page - assume always dirty */ + PG_toi_ro, /* Page was made RO by TOI */ + PG_toi_cbw, /* Copy the page before it is written to */ + PG_toi_dirty, /* Page has been modified */ +#endif #if defined(CONFIG_IDLE_PAGE_TRACKING) && defined(CONFIG_64BIT) PG_young, PG_idle, @@ -343,6 +349,17 @@ TESTSCFLAG(HWPoison, hwpoison, PF_ANY) PAGEFLAG_FALSE(HWPoison) #define __PG_HWPOISON 0 #endif +#ifdef CONFIG_TOI_INCREMENTAL +PAGEFLAG(TOI_RO, toi_ro) +PAGEFLAG(TOI_Dirty, toi_dirty) +PAGEFLAG(TOI_Untracked, toi_untracked) +PAGEFLAG(TOI_CBW, toi_cbw) +#else +PAGEFLAG_FALSE(TOI_RO) +PAGEFLAG_FALSE(TOI_Dirty) +PAGEFLAG_FALSE(TOI_Untracked) +PAGEFLAG_FALSE(TOI_CBW) +#endif #if defined(CONFIG_IDLE_PAGE_TRACKING) && defined(CONFIG_64BIT) TESTPAGEFLAG(Young, young, PF_ANY) @@ -665,8 +682,12 @@ static inline void ClearPageSlabPfmemalloc(struct page *page) * __PG_HWPOISON is exceptional because it needs to be kept beyond page's * alloc-free cycle to prevent from reusing the page. */ -#define PAGE_FLAGS_CHECK_AT_PREP \ - (((1 << NR_PAGEFLAGS) - 1) & ~__PG_HWPOISON) +#ifdef CONFIG_TOI_INCREMENTAL +#define PAGE_FLAGS_CHECK_AT_PREP (((1 << NR_PAGEFLAGS) - 1) & \ + ~((1 << PG_toi_dirty) | (1 << PG_toi_ro) | ~__PG_HWPOISON)) +#else +#define PAGE_FLAGS_CHECK_AT_PREP (((1 << NR_PAGEFLAGS) - 1) & ~__PG_HWPOISON) +#endif #define PAGE_FLAGS_PRIVATE \ (1 << PG_private | 1 << PG_private_2) |