[PATCH] x86_64: Limit max number of CPUs to 255

[deliverable/linux.git] / arch / x86_64 / Kconfig

diff --git a/arch/x86_64/Kconfig b/arch/x86_64/Kconfig
index e18eb79bf85544fa67cbb287353b5fba29a7f3db..6fc631457196b871f815a2929b35200f402498b1 100644 (file)
--- a/arch/x86_64/Kconfig
+++ b/arch/x86_64/Kconfig
@@ -323,7 +323,7 @@ config HAVE_ARCH_EARLY_PFN_TO_NID
 
 config NR_CPUS
        int "Maximum number of CPUs (2-256)"
-       range 2 256
+       range 2 255
        depends on SMP
        default "8"
        help
@@ -429,10 +429,10 @@ config CRASH_DUMP
 config PHYSICAL_START
        hex "Physical address where the kernel is loaded" if (EMBEDDED || CRASH_DUMP)
        default "0x1000000" if CRASH_DUMP
-       default "0x100000"
+       default "0x200000"
        help
          This gives the physical address where the kernel is loaded. Normally
-         for regular kernels this value is 0x100000 (1MB). But in the case
+         for regular kernels this value is 0x200000 (2MB). But in the case
          of kexec on panic the fail safe kernel needs to run at a different
          address than the panic-ed kernel. This option is used to set the load
          address for kernels used to capture crash dump on being kexec'ed
@@ -464,6 +464,14 @@ config SECCOMP
 
 source kernel/Kconfig.hz
 
+config REORDER
+       bool "Function reordering"
+       default n
+       help
+         This option enables the toolchain to reorder functions for a more 
+         optimal TLB usage. If you have pretty much any version of binutils, 
+        this can increase your kernel build time by roughly one minute.
+
 endmenu
 
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