git.openpandora.org
/
pandora-kernel.git
/ blobdiff
commit
grep
author
committer
pickaxe
?
search:
re
summary
|
shortlog
|
log
|
commit
|
commitdiff
|
tree
raw
|
inline
| side by side
ARM: mm: HugeTLB support for non-LPAE systems.
[pandora-kernel.git]
/
arch
/
arm
/
kernel
/
swp_emulate.c
diff --git
a/arch/arm/kernel/swp_emulate.c
b/arch/arm/kernel/swp_emulate.c
index
5f452f8
..
5d9b1ee
100644
(file)
--- a/
arch/arm/kernel/swp_emulate.c
+++ b/
arch/arm/kernel/swp_emulate.c
@@
-108,10
+108,12
@@
static void set_segfault(struct pt_regs *regs, unsigned long addr)
{
siginfo_t info;
{
siginfo_t info;
+ down_read(¤t->mm->mmap_sem);
if (find_vma(current->mm, addr) == NULL)
info.si_code = SEGV_MAPERR;
else
info.si_code = SEGV_ACCERR;
if (find_vma(current->mm, addr) == NULL)
info.si_code = SEGV_MAPERR;
else
info.si_code = SEGV_ACCERR;
+ up_read(¤t->mm->mmap_sem);
info.si_signo = SIGSEGV;
info.si_errno = 0;
info.si_signo = SIGSEGV;
info.si_errno = 0;