* [GIT PULL] x86 fixes for v3.11-rc8
@ 2013-09-01 11:27 H. Peter Anvin
0 siblings, 0 replies; only message in thread
From: H. Peter Anvin @ 2013-09-01 11:27 UTC (permalink / raw)
To: Linus Torvalds
Cc: stable, Dave Hansen, H. Peter Anvin, Ingo Molnar, Ingo Molnar,
Linux Kernel Mailing List, Thomas Gleixner, Yinghai Lu
Hi Linus,
A single very small boot fix for very large memory systems (> 0.5T).
The following changes since commit fd3930f70c8d14008f3377d51ce039806dfc542e:
proc: more readdir conversion bug-fixes (2013-08-19 16:26:12 -0700)
are available in the git repository at:
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git x86-urgent-for-linus
The head of this tree is 527bf129f9a780e11b251cf2467dc30118a57d16.
x86/mm: Fix boot crash with DEBUG_PAGE_ALLOC=y and more than 512G RAM (2013-08-20 10:06:50 +0200)
----------------------------------------------------------------
Yinghai Lu (1):
x86/mm: Fix boot crash with DEBUG_PAGE_ALLOC=y and more than 512G RAM
arch/x86/mm/init.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/arch/x86/mm/init.c b/arch/x86/mm/init.c
index 2ec29ac..04664cd 100644
--- a/arch/x86/mm/init.c
+++ b/arch/x86/mm/init.c
@@ -78,8 +78,8 @@ __ref void *alloc_low_pages(unsigned int num)
return __va(pfn << PAGE_SHIFT);
}
-/* need 4 4k for initial PMD_SIZE, 4k for 0-ISA_END_ADDRESS */
-#define INIT_PGT_BUF_SIZE (5 * PAGE_SIZE)
+/* need 3 4k for initial PMD_SIZE, 3 4k for 0-ISA_END_ADDRESS */
+#define INIT_PGT_BUF_SIZE (6 * PAGE_SIZE)
RESERVE_BRK(early_pgt_alloc, INIT_PGT_BUF_SIZE);
void __init early_alloc_pgt_buf(void)
{
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2013-09-01 11:27 [GIT PULL] x86 fixes for v3.11-rc8 H. Peter Anvin
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