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Kirill Smelkov
linux
Commits
20a7cd3d
Commit
20a7cd3d
authored
Nov 03, 2002
by
David Mosberger
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Plain Diff
ia64: Make mremap() work properly when returning "negative" addresses.
Based on patch by Matt Chapman.
parent
50155729
Changes
2
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2 changed files
with
24 additions
and
1 deletion
+24
-1
arch/ia64/kernel/entry.S
arch/ia64/kernel/entry.S
+1
-1
arch/ia64/kernel/sys_ia64.c
arch/ia64/kernel/sys_ia64.c
+23
-0
No files found.
arch/ia64/kernel/entry.S
View file @
20a7cd3d
...
@@ -1160,7 +1160,7 @@ sys_call_table:
...
@@ -1160,7 +1160,7 @@ sys_call_table:
data8
sys_mlock
data8
sys_mlock
data8
sys_mlockall
data8
sys_mlockall
data8
sys_mprotect
//
1155
data8
sys_mprotect
//
1155
data8
sys
_mremap
data8
ia64
_mremap
data8
sys_msync
data8
sys_msync
data8
sys_munlock
data8
sys_munlock
data8
sys_munlockall
data8
sys_munlockall
...
...
arch/ia64/kernel/sys_ia64.c
View file @
20a7cd3d
...
@@ -316,6 +316,29 @@ sys_free_hugepages (unsigned long addr)
...
@@ -316,6 +316,29 @@ sys_free_hugepages (unsigned long addr)
#endif
/* !CONFIG_HUGETLB_PAGE */
#endif
/* !CONFIG_HUGETLB_PAGE */
asmlinkage
unsigned
long
ia64_mremap
(
unsigned
long
addr
,
unsigned
long
old_len
,
unsigned
long
new_len
,
unsigned
long
flags
,
unsigned
long
new_addr
)
{
extern
unsigned
long
do_mremap
(
unsigned
long
addr
,
unsigned
long
old_len
,
unsigned
long
new_len
,
unsigned
long
flags
,
unsigned
long
new_addr
);
down_write
(
&
current
->
mm
->
mmap_sem
);
{
addr
=
do_mremap
(
addr
,
old_len
,
new_len
,
flags
,
new_addr
);
}
up_write
(
&
current
->
mm
->
mmap_sem
);
if
(
IS_ERR
((
void
*
)
addr
))
return
addr
;
force_successful_syscall_return
();
return
addr
;
}
asmlinkage
long
asmlinkage
long
sys_vm86
(
long
arg0
,
long
arg1
,
long
arg2
,
long
arg3
)
sys_vm86
(
long
arg0
,
long
arg1
,
long
arg2
,
long
arg3
)
{
{
...
...
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