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Kirill Smelkov
linux
Commits
8aa1cb75
Commit
8aa1cb75
authored
Nov 07, 2002
by
Matthew Wilcox
Committed by
Linus Torvalds
Nov 07, 2002
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[PATCH] CONFIG_STACK_GROWSUP
Change ARCH_STACK_GROWSUP to CONFIG_STACK_GROWSUP as requested.
parent
4c312efd
Changes
6
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6 changed files
with
14 additions
and
8 deletions
+14
-8
arch/parisc/Kconfig
arch/parisc/Kconfig
+4
-0
fs/binfmt_elf.c
fs/binfmt_elf.c
+2
-2
fs/exec.c
fs/exec.c
+2
-2
include/asm-parisc/pgtable.h
include/asm-parisc/pgtable.h
+0
-2
include/linux/mm.h
include/linux/mm.h
+5
-1
mm/mmap.c
mm/mmap.c
+1
-1
No files found.
arch/parisc/Kconfig
View file @
8aa1cb75
...
...
@@ -22,6 +22,10 @@ config SWAP
bool
default y
config STACK_GROWSUP
bool
default y
config UID16
bool
...
...
fs/binfmt_elf.c
View file @
8aa1cb75
...
...
@@ -109,7 +109,7 @@ static void padzero(unsigned long elf_bss)
}
/* Let's use some macros to make this stack manipulation a litle clearer */
#ifdef
ARCH
_STACK_GROWSUP
#ifdef
CONFIG
_STACK_GROWSUP
#define STACK_ADD(sp, items) ((elf_addr_t *)(sp) + (items))
#define STACK_ROUND(sp, items) \
((15 + (unsigned long) ((sp) + (items))) &~ 15UL)
...
...
@@ -207,7 +207,7 @@ create_elf_tables(struct linux_binprm *bprm, struct elfhdr * exec,
bprm
->
p
=
STACK_ROUND
(
sp
,
items
);
/* Point sp at the lowest address on the stack */
#ifdef
ARCH
_STACK_GROWSUP
#ifdef
CONFIG
_STACK_GROWSUP
sp
=
(
elf_addr_t
*
)
bprm
->
p
-
items
-
ei_index
;
bprm
->
exec
=
(
unsigned
long
)
sp
;
/* XXX: PARISC HACK */
#else
...
...
fs/exec.c
View file @
8aa1cb75
...
...
@@ -331,7 +331,7 @@ int setup_arg_pages(struct linux_binprm *bprm)
struct
mm_struct
*
mm
=
current
->
mm
;
int
i
;
#ifdef
ARCH
_STACK_GROWSUP
#ifdef
CONFIG
_STACK_GROWSUP
/* Move the argument and environment strings to the bottom of the
* stack space.
*/
...
...
@@ -390,7 +390,7 @@ int setup_arg_pages(struct linux_binprm *bprm)
down_write
(
&
mm
->
mmap_sem
);
{
mpnt
->
vm_mm
=
mm
;
#ifdef
ARCH
_STACK_GROWSUP
#ifdef
CONFIG
_STACK_GROWSUP
mpnt
->
vm_start
=
stack_base
;
mpnt
->
vm_end
=
PAGE_MASK
&
(
PAGE_SIZE
-
1
+
(
unsigned
long
)
bprm
->
p
);
...
...
include/asm-parisc/pgtable.h
View file @
8aa1cb75
...
...
@@ -13,8 +13,6 @@
#include <asm/cache.h>
#include <asm/bitops.h>
#define ARCH_STACK_GROWSUP
/*
* kern_addr_valid(ADDR) tests if ADDR is pointing to valid kernel
* memory. For the return value to be meaningful, ADDR must be >=
...
...
include/linux/mm.h
View file @
8aa1cb75
...
...
@@ -106,7 +106,11 @@ struct vm_area_struct {
#define VM_ACCOUNT 0x00100000
/* Is a VM accounted object */
#define VM_HUGETLB 0x00400000
/* Huge TLB Page VM */
#define VM_STACK_FLAGS (0x00000100 | VM_DATA_DEFAULT_FLAGS | VM_ACCOUNT)
#ifdef CONFIG_STACK_GROWSUP
#define VM_STACK_FLAGS (VM_GROWSUP | VM_DATA_DEFAULT_FLAGS | VM_ACCOUNT)
#else
#define VM_STACK_FLAGS (VM_GROWSDOWN | VM_DATA_DEFAULT_FLAGS | VM_ACCOUNT)
#endif
#define VM_READHINTMASK (VM_SEQ_READ | VM_RAND_READ)
#define VM_ClearReadHint(v) (v)->vm_flags &= ~VM_READHINTMASK
...
...
mm/mmap.c
View file @
8aa1cb75
...
...
@@ -767,7 +767,7 @@ struct vm_area_struct * find_vma_prev(struct mm_struct * mm, unsigned long addr,
return
prev
?
prev
->
vm_next
:
vma
;
}
#ifdef
ARCH
_STACK_GROWSUP
#ifdef
CONFIG
_STACK_GROWSUP
/*
* vma is the first one with address > vma->vm_end. Have to extend vma.
*/
...
...
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