linux/arch
Jerry Hoemann 94544e2e6e x86/mm: account for PGDIR_SIZE alignment
Patch for -stable.  Function find_early_table_space removed upstream.

Fixes panic in alloc_low_page due to pgt_buf overflow during
init_memory_mapping.

find_early_table_space sizes pgt_buf based upon the size of the
memory being mapped, but it does not take into account the alignment
of the memory.  When the region being mapped spans a 512GB (PGDIR_SIZE)
alignment, a panic from alloc_low_pages occurs.

kernel_physical_mapping_init takes into account PGDIR_SIZE alignment.
This causes an extra call to alloc_low_page to be made.  This extra call
isn't accounted for by find_early_table_space and causes a kernel panic.

Change is to take into account PGDIR_SIZE alignment in find_early_table_space.

Signed-off-by: Jerry Hoemann <jerry.hoemann@hp.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-05-11 13:48:15 -07:00
..
alpha alpha: Add irongate_io to PCI bus resources 2013-04-12 09:38:45 -07:00
arm mmc: at91/avr32/atmel-mci: fix DMA-channel leak on module unload 2013-05-07 19:51:57 -07:00
avr32 mmc: at91/avr32/atmel-mci: fix DMA-channel leak on module unload 2013-05-07 19:51:57 -07:00
blackfin blackfin: fix ifdef fustercluck in mach-bf538/boards/ezkit.c 2012-04-26 14:46:51 -04:00
c6x irq: Kill pointless irqd_to_hw export 2012-04-10 22:39:17 -06:00
cris signal: Define __ARCH_HAS_SA_RESTORER so we know whether to clear sa_restorer 2013-04-05 10:04:14 -07:00
frv frv: Add missing RCU idle APIs on idle loop 2012-10-13 05:38:54 +09:00
h8300 signal: Define __ARCH_HAS_SA_RESTORER so we know whether to clear sa_restorer 2013-04-05 10:04:14 -07:00
hexagon hexagon: add missing cpu.h include 2012-04-23 12:57:24 -05:00
ia64 Wrong asm register contraints in the kvm implementation 2013-05-07 19:51:55 -07:00
m32r signal: Define __ARCH_HAS_SA_RESTORER so we know whether to clear sa_restorer 2013-04-05 10:04:14 -07:00
m68k signal: Define __ARCH_HAS_SA_RESTORER so we know whether to clear sa_restorer 2013-04-05 10:04:14 -07:00
microblaze microblaze: Do not select GENERIC_GPIO by default 2012-06-10 00:36:05 +09:00
mips MIPS: Fix poweroff failure when HOTPLUG_CPU configured. 2013-01-17 08:50:42 -08:00
mn10300 signal: Define __ARCH_HAS_SA_RESTORER so we know whether to clear sa_restorer 2013-04-05 10:04:14 -07:00
openrisc Disintegrate and delete asm/system.h 2012-03-28 15:58:21 -07:00
parisc Purge existing TLB entries in set_pte_at and ptep_set_wrprotect 2013-02-28 06:59:05 -08:00
powerpc powerpc: fix numa distance for form0 device tree 2013-05-11 13:48:06 -07:00
s390 signal: Define __ARCH_HAS_SA_RESTORER so we know whether to clear sa_restorer 2013-04-05 10:04:14 -07:00
score score: Add missing RCU idle APIs on idle loop 2012-10-13 05:38:55 +09:00
sh sh: Fix FDPIC binary loader 2013-01-21 11:45:14 -08:00
sparc sparc64: Fix race in TLB batch processing. 2013-05-01 09:41:03 -07:00
tile tile: expect new initramfs name from hypervisor file system 2013-04-05 10:04:14 -07:00
um um: Implement a custom pte_same() function 2012-06-01 15:18:18 +08:00
unicore32 Merge branch 'for-linus' of git://git.linaro.org/people/mszyprowski/linux-dma-mapping 2012-04-04 17:13:43 -07:00
x86 x86/mm: account for PGDIR_SIZE alignment 2013-05-11 13:48:15 -07:00
xtensa signal: Define __ARCH_HAS_SA_RESTORER so we know whether to clear sa_restorer 2013-04-05 10:04:14 -07:00
.gitignore
Kconfig Merge git://git.kernel.org/pub/scm/linux/kernel/git/cmetcalf/linux-tile 2012-03-29 14:49:45 -07:00