aboutsummaryrefslogtreecommitdiffstats
path: root/arch/i386/kernel/setup.c
diff options
context:
space:
mode:
authorWilliam Lee Irwin III <wli@holomorphy.com>2007-07-21 17:11:13 +0200
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-07-21 18:37:12 -0700
commitc673f1a9d994de501b674b2bb6a48bd5e912afe0 (patch)
tree0657b02b263c24d91f4f6a82c841894bb17bcbb8 /arch/i386/kernel/setup.c
parent075bcd1f9726b8a1caff86eda06f29f71fb21235 (diff)
downloadkernel_samsung_smdk4412-c673f1a9d994de501b674b2bb6a48bd5e912afe0.zip
kernel_samsung_smdk4412-c673f1a9d994de501b674b2bb6a48bd5e912afe0.tar.gz
kernel_samsung_smdk4412-c673f1a9d994de501b674b2bb6a48bd5e912afe0.tar.bz2
i386: divorce CONFIG_X86_PAE from CONFIG_HIGHMEM64G
PAE is useful for more than supporting more than 4GB RAM. It supports expanded swapspace and NX executable protections. Some users may want NX or expanded swapspace support without the overhead or instability of highmem. For these reasons, the following patch divorces CONFIG_X86_PAE from CONFIG_HIGHMEM64G. Cc: Mark Lord <lkml@rtr.ca> Signed-off-by: William Irwin <wli@holomorphy.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/i386/kernel/setup.c')
-rw-r--r--arch/i386/kernel/setup.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/arch/i386/kernel/setup.c b/arch/i386/kernel/setup.c
index 2986b48..d474cd6 100644
--- a/arch/i386/kernel/setup.c
+++ b/arch/i386/kernel/setup.c
@@ -273,18 +273,18 @@ unsigned long __init find_max_low_pfn(void)
printk(KERN_WARNING "Warning only %ldMB will be used.\n",
MAXMEM>>20);
if (max_pfn > MAX_NONPAE_PFN)
- printk(KERN_WARNING "Use a PAE enabled kernel.\n");
+ printk(KERN_WARNING "Use a HIGHMEM64G enabled kernel.\n");
else
printk(KERN_WARNING "Use a HIGHMEM enabled kernel.\n");
max_pfn = MAXMEM_PFN;
#else /* !CONFIG_HIGHMEM */
-#ifndef CONFIG_X86_PAE
+#ifndef CONFIG_HIGHMEM64G
if (max_pfn > MAX_NONPAE_PFN) {
max_pfn = MAX_NONPAE_PFN;
printk(KERN_WARNING "Warning only 4GB will be used.\n");
- printk(KERN_WARNING "Use a PAE enabled kernel.\n");
+ printk(KERN_WARNING "Use a HIGHMEM64G enabled kernel.\n");
}
-#endif /* !CONFIG_X86_PAE */
+#endif /* !CONFIG_HIGHMEM64G */
#endif /* !CONFIG_HIGHMEM */
} else {
if (highmem_pages == -1)