diff options
Diffstat (limited to 'mm')
| -rw-r--r-- | mm/Kconfig | 8 | ||||
| -rw-r--r-- | mm/huge_memory.c | 2 |
2 files changed, 9 insertions, 1 deletions
diff --git a/mm/Kconfig b/mm/Kconfig index 57e1d8c5b505..807bd7192f51 100644 --- a/mm/Kconfig +++ b/mm/Kconfig @@ -1005,6 +1005,14 @@ config ARCH_USES_HIGH_VMA_FLAGS config ARCH_HAS_PKEYS bool +config ARCH_USES_PG_ARCH_X + bool + help + Enable the definition of PG_arch_x page flags with x > 1. Only + suitable for 64-bit architectures with CONFIG_FLATMEM or + CONFIG_SPARSEMEM_VMEMMAP enabled, otherwise there may not be + enough room for additional bits in page->flags. + config VM_EVENT_COUNTERS default y bool "Enable VM event counters for /proc/vmstat" if EXPERT diff --git a/mm/huge_memory.c b/mm/huge_memory.c index 561a42567477..76e7b973919c 100644 --- a/mm/huge_memory.c +++ b/mm/huge_memory.c @@ -2444,7 +2444,7 @@ static void __split_huge_page_tail(struct page *head, int tail, (1L << PG_workingset) | (1L << PG_locked) | (1L << PG_unevictable) | -#ifdef CONFIG_64BIT +#ifdef CONFIG_ARCH_USES_PG_ARCH_X (1L << PG_arch_2) | #endif (1L << PG_dirty) | |