[PATCH] 64bit Resource: finally enable 64bit resource sizes

Introduce the Kconfig entry and actually switch to a 64bit value, if
wanted, for resource_size_t.

Based on a patch series originally from Vivek Goyal <vgoyal@in.ibm.com>

Cc: Vivek Goyal <vgoyal@in.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Greg Kroah-Hartman 2006-06-12 17:11:31 -07:00
parent 2427ddd8fa
commit 6550e07f41
4 changed files with 16 additions and 6 deletions

View file

@ -529,6 +529,7 @@ config X86_PAE
bool
depends on HIGHMEM64G
default y
select RESOURCES_64BIT
# Common NUMA Features
config NUMA

View file

@ -178,9 +178,14 @@ typedef __u64 __bitwise __be64;
#ifdef __KERNEL__
typedef unsigned __bitwise__ gfp_t;
typedef unsigned long resource_size_t;
#ifdef CONFIG_RESOURCES_64BIT
typedef u64 resource_size_t;
#else
typedef u32 resource_size_t;
#endif
#endif /* __KERNEL__ */
struct ustat {
__kernel_daddr_t f_tfree;
__kernel_ino_t f_tinode;

View file

@ -23,20 +23,18 @@
struct resource ioport_resource = {
.name = "PCI IO",
.start = 0x0000,
.start = 0,
.end = IO_SPACE_LIMIT,
.flags = IORESOURCE_IO,
};
EXPORT_SYMBOL(ioport_resource);
struct resource iomem_resource = {
.name = "PCI mem",
.start = 0UL,
.end = ~0UL,
.start = 0,
.end = -1,
.flags = IORESOURCE_MEM,
};
EXPORT_SYMBOL(iomem_resource);
static DEFINE_RWLOCK(resource_lock);

View file

@ -145,3 +145,9 @@ config MIGRATION
while the virtual addresses are not changed. This is useful for
example on NUMA systems to put pages nearer to the processors accessing
the page.
config RESOURCES_64BIT
bool "64 bit Memory and IO resources (EXPERIMENTAL)" if (!64BIT && EXPERIMENTAL)
default 64BIT
help
This option allows memory and IO resources to be 64 bit.