diff options
Diffstat (limited to 'include/linux/page-flags.h')
| -rw-r--r-- | include/linux/page-flags.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/include/linux/page-flags.h b/include/linux/page-flags.h index 87a0009..657ba2c 100644 --- a/include/linux/page-flags.h +++ b/include/linux/page-flags.h @@ -51,6 +51,9 @@ * PG_hwpoison indicates that a page got corrupted in hardware and contains * data with incorrect ECC bits that triggered a machine check. Accessing is * not safe since it may cause another machine check. Don't touch! + * + * PG_wasactive reflects that a page previously was promoted to active status. + * Such pages should be considered higher priority for cleancache backends. */ /* @@ -107,6 +110,9 @@ enum pageflags { #ifdef CONFIG_TRANSPARENT_HUGEPAGE PG_compound_lock, #endif +#ifdef CONFIG_CLEANCACHE + PG_was_active, +#endif __NR_PAGEFLAGS, /* Filesystems */ @@ -264,6 +270,10 @@ __PAGEFLAG(SlobFree, slob_free) __PAGEFLAG(SlubFrozen, slub_frozen) +#ifdef CONFIG_CLEANCACHE +PAGEFLAG(WasActive, was_active) +#endif + /* * Private page markings that may be used by the filesystem that owns the page * for its own purposes. |