summaryrefslogtreecommitdiffstats
path: root/arch/x86/kernel/head_64.S
diff options
context:
space:
mode:
authorDavid S. Miller <davem@davemloft.net>2008-03-18 00:37:55 -0700
committerDavid S. Miller <davem@davemloft.net>2008-03-18 00:37:55 -0700
commit577f99c1d08cf9cbdafd4e858dd13ff04d855090 (patch)
tree0f726bbda9b18d311d4c95198bbd96cb7ac01db0 /arch/x86/kernel/head_64.S
parent26c0f03f6b77c513cb7bc37b73a06819bdbb791b (diff)
parent2f633928cbba8a5858bb39b11e7219a41b0fbef5 (diff)
downloadtalos-op-linux-577f99c1d08cf9cbdafd4e858dd13ff04d855090.tar.gz
talos-op-linux-577f99c1d08cf9cbdafd4e858dd13ff04d855090.zip
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6
Conflicts: drivers/net/wireless/rt2x00/rt2x00dev.c net/8021q/vlan_dev.c
Diffstat (limited to 'arch/x86/kernel/head_64.S')
-rw-r--r--arch/x86/kernel/head_64.S22
1 files changed, 14 insertions, 8 deletions
diff --git a/arch/x86/kernel/head_64.S b/arch/x86/kernel/head_64.S
index eb415043a929..a007454133a3 100644
--- a/arch/x86/kernel/head_64.S
+++ b/arch/x86/kernel/head_64.S
@@ -379,18 +379,24 @@ NEXT_PAGE(level2_ident_pgt)
/* Since I easily can, map the first 1G.
* Don't set NX because code runs from these pages.
*/
- PMDS(0x0000000000000000, __PAGE_KERNEL_LARGE_EXEC, PTRS_PER_PMD)
+ PMDS(0, __PAGE_KERNEL_LARGE_EXEC, PTRS_PER_PMD)
NEXT_PAGE(level2_kernel_pgt)
- /* 40MB kernel mapping. The kernel code cannot be bigger than that.
- When you change this change KERNEL_TEXT_SIZE in page.h too. */
- /* (2^48-(2*1024*1024*1024)-((2^39)*511)-((2^30)*510)) = 0 */
- PMDS(0x0000000000000000, __PAGE_KERNEL_LARGE_EXEC|_PAGE_GLOBAL, KERNEL_TEXT_SIZE/PMD_SIZE)
- /* Module mapping starts here */
- .fill (PTRS_PER_PMD - (KERNEL_TEXT_SIZE/PMD_SIZE)),8,0
+ /*
+ * 128 MB kernel mapping. We spend a full page on this pagetable
+ * anyway.
+ *
+ * The kernel code+data+bss must not be bigger than that.
+ *
+ * (NOTE: at +128MB starts the module area, see MODULES_VADDR.
+ * If you want to increase this then increase MODULES_VADDR
+ * too.)
+ */
+ PMDS(0, __PAGE_KERNEL_LARGE_EXEC|_PAGE_GLOBAL,
+ KERNEL_IMAGE_SIZE/PMD_SIZE)
NEXT_PAGE(level2_spare_pgt)
- .fill 512,8,0
+ .fill 512, 8, 0
#undef PMDS
#undef NEXT_PAGE
OpenPOWER on IntegriCloud