X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=init%2FKconfig;h=d2355812ba48a7e1f52855ad9c431878ee32f175;hb=0cf744bc7ae8e0072159a901f6e1a159bbc30ffa;hp=e84c6423a2e5a2dbe80157b13f8b16d17c3e2d06;hpb=68e370289c29e3beac99d59c6d840d470af9dfcf;p=firefly-linux-kernel-4.4.55.git

diff --git a/init/Kconfig b/init/Kconfig
index e84c6423a2e5..d2355812ba48 100644
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -811,6 +811,7 @@ config LOG_BUF_SHIFT
 	int "Kernel log buffer size (16 => 64KB, 17 => 128KB)"
 	range 12 21
 	default 17
+	depends on PRINTK
 	help
 	  Select the minimal kernel log buffer size as a power of 2.
 	  The final size is affected by LOG_CPU_MAX_BUF_SHIFT config
@@ -830,6 +831,7 @@ config LOG_CPU_MAX_BUF_SHIFT
 	range 0 21
 	default 12 if !BASE_SMALL
 	default 0 if BASE_SMALL
+	depends on PRINTK
 	help
 	  This option allows to increase the default ring buffer size
 	  according to the number of CPUs. The value defines the contribution
@@ -887,17 +889,6 @@ config ARCH_SUPPORTS_INT128
 config ARCH_WANT_NUMA_VARIABLE_LOCALITY
 	bool
 
-#
-# For architectures that are willing to define _PAGE_NUMA as _PAGE_PROTNONE
-config ARCH_WANTS_PROT_NUMA_PROT_NONE
-	bool
-
-config ARCH_USES_NUMA_PROT_NONE
-	bool
-	default y
-	depends on ARCH_WANTS_PROT_NUMA_PROT_NONE
-	depends on NUMA_BALANCING
-
 config NUMA_BALANCING_DEFAULT_ENABLED
 	bool "Automatically enable NUMA aware memory/task placement"
 	default y
@@ -1475,6 +1466,7 @@ config FUTEX
 
 config HAVE_FUTEX_CMPXCHG
 	bool
+	depends on FUTEX
 	help
 	  Architectures should select this if futex_atomic_cmpxchg_inatomic()
 	  is implemented and always working. This removes a couple of runtime
@@ -1537,6 +1529,16 @@ config AIO
 	  by some high performance threaded applications. Disabling
 	  this option saves about 7k.
 
+config ADVISE_SYSCALLS
+	bool "Enable madvise/fadvise syscalls" if EXPERT
+	default y
+	help
+	  This option enables the madvise and fadvise syscalls, used by
+	  applications to advise the kernel about their future memory or file
+	  usage, improving performance. If building an embedded system where no
+	  applications use these syscalls, you can disable this option to save
+	  space.
+
 config PCI_QUIRKS
 	default y
 	bool "Enable PCI quirk workarounds" if EXPERT
@@ -1906,6 +1908,49 @@ config MODULE_SIG_HASH
 	default "sha384" if MODULE_SIG_SHA384
 	default "sha512" if MODULE_SIG_SHA512
 
+config MODULE_COMPRESS
+	bool "Compress modules on installation"
+	depends on MODULES
+	help
+	  This option compresses the kernel modules when 'make
+	  modules_install' is run.
+
+	  The modules will be compressed either using gzip or xz depend on the
+	  choice made in "Compression algorithm".
+
+	  module-init-tools has support for gzip format while kmod handle gzip
+	  and xz compressed modules.
+
+	  When a kernel module is installed from outside of the main kernel
+	  source and uses the Kbuild system for installing modules then that
+	  kernel module will also be compressed when it is installed.
+
+	  This option provides little benefit when the modules are to be used inside
+	  an initrd or initramfs, it generally is more efficient to compress the whole
+	  initrd or initramfs instead.
+
+	  This is fully compatible with signed modules while the signed module is
+	  compressed. module-init-tools or kmod handles decompression and provide to
+	  other layer the uncompressed but signed payload.
+
+choice
+	prompt "Compression algorithm"
+	depends on MODULE_COMPRESS
+	default MODULE_COMPRESS_GZIP
+	help
+	  This determines which sort of compression will be used during
+	  'make modules_install'.
+
+	  GZIP (default) and XZ are supported.
+
+config MODULE_COMPRESS_GZIP
+	bool "GZIP"
+
+config MODULE_COMPRESS_XZ
+	bool "XZ"
+
+endchoice
+
 endif # MODULES
 
 config INIT_ALL_POSSIBLE