select ARCH_USE_QUEUED_RWLOCKS
select ARCH_USE_QUEUED_SPINLOCKS
select ARCH_WANT_DEFAULT_TOPDOWN_MMAP_LAYOUT
- select ARCH_WANT_HUGETLB_PAGE_OPTIMIZE_VMEMMAP
select ARCH_WANT_LD_ORPHAN_WARN
+ select ARCH_WANT_OPTIMIZE_VMEMMAP
select ARCH_WANTS_NO_INSTR
select BUILDTIME_TABLE_SORT
select COMMON_CLK
select GENERIC_SMP_IDLE_THREAD
select GENERIC_TIME_VSYSCALL
select GPIOLIB
+ select HAS_IOPORT
select HAVE_ARCH_AUDITSYSCALL
select HAVE_ARCH_MMAP_RND_BITS if MMU
select HAVE_ARCH_SECCOMP_FILTER
config ARCH_FORCE_MAX_ORDER
int "Maximum zone order"
- range 14 64 if PAGE_SIZE_64KB
- default "14" if PAGE_SIZE_64KB
- range 12 64 if PAGE_SIZE_16KB
- default "12" if PAGE_SIZE_16KB
- range 11 64
- default "11"
+ default "13" if PAGE_SIZE_64KB
+ default "11" if PAGE_SIZE_16KB
+ default "10"
help
The kernel memory allocator divides physically contiguous memory
blocks into "zones", where each zone is a power of two number of
blocks of physically contiguous memory, then you may need to
increase this value.
- This config option is actually maximum order plus one. For example,
- a value of 11 means that the largest free memory block is 2^10 pages.
-
The page size is not necessarily 4KB. Keep this in mind
when choosing a value for this option.