Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 6550e07f authored by Greg Kroah-Hartman's avatar Greg Kroah-Hartman
Browse files

[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: default avatarAndrew Morton <akpm@osdl.org>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
parent 2427ddd8

arch/i386/Kconfig

+1 −0
Original line number Diff line number Diff line
@@ -529,6 +529,7 @@ config X86_PAE 
	bool

	depends on HIGHMEM64G

	default y

	select RESOURCES_64BIT



# Common NUMA Features

config NUMA

include/linux/types.h

+6 −1
Original line number Diff line number Diff line
@@ -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;

kernel/resource.c

+3 −5
Original line number Diff line number Diff line
@@ -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);

mm/Kconfig

+6 −0
Original line number Diff line number Diff line
@@ -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.