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Commit d455a369 authored by Hugh Dickins's avatar Hugh Dickins Committed by Linus Torvalds
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[PATCH] freepgt: arch FIRST_USER_ADDRESS 0 



Replace misleading definition of FIRST_USER_PGD_NR 0 by definition of
FIRST_USER_ADDRESS 0 in all the MMU architectures beyond arm and arm26.

Signed-off-by: default avatarHugh Dickins <hugh@veritas.com>
Signed-off-by: default avatarAndrew Morton <akpm@osdl.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
parent cdfb82ff

include/asm-alpha/pgtable.h

+1 −1
Original line number Diff line number Diff line
@@ -42,7 +42,7 @@ 
#define PTRS_PER_PMD	(1UL << (PAGE_SHIFT-3))

#define PTRS_PER_PGD	(1UL << (PAGE_SHIFT-3))

#define USER_PTRS_PER_PGD	(TASK_SIZE / PGDIR_SIZE)

#define FIRST_USER_PGD_NR	0

#define FIRST_USER_ADDRESS	0



/* Number of pointers that fit on a page:  this will go away. */

#define PTRS_PER_PAGE	(1UL << (PAGE_SHIFT-3))

include/asm-cris/pgtable.h

+1 −1
Original line number Diff line number Diff line
@@ -76,7 +76,7 @@ extern void paging_init(void); 
 */



#define USER_PTRS_PER_PGD       (TASK_SIZE/PGDIR_SIZE)

#define FIRST_USER_PGD_NR       0

#define FIRST_USER_ADDRESS      0



/* zero page used for uninitialized stuff */

#ifndef __ASSEMBLY__

include/asm-frv/pgtable.h

+1 −1
Original line number Diff line number Diff line
@@ -141,7 +141,7 @@ extern unsigned long empty_zero_page; 
#define PTRS_PER_PTE		4096



#define USER_PGDS_IN_LAST_PML4	(TASK_SIZE / PGDIR_SIZE)

#define FIRST_USER_PGD_NR	0

#define FIRST_USER_ADDRESS	0



#define USER_PGD_PTRS		(PAGE_OFFSET >> PGDIR_SHIFT)

#define KERNEL_PGD_PTRS		(PTRS_PER_PGD - USER_PGD_PTRS)

include/asm-i386/pgtable.h

+1 −1
Original line number Diff line number Diff line
@@ -60,7 +60,7 @@ void paging_init(void); 
#define PGDIR_MASK	(~(PGDIR_SIZE-1))



#define USER_PTRS_PER_PGD	(TASK_SIZE/PGDIR_SIZE)

#define FIRST_USER_PGD_NR	0

#define FIRST_USER_ADDRESS	0



#define USER_PGD_PTRS (PAGE_OFFSET >> PGDIR_SHIFT)

#define KERNEL_PGD_PTRS (PTRS_PER_PGD-USER_PGD_PTRS)

include/asm-ia64/pgtable.h

+1 −1
Original line number Diff line number Diff line
@@ -93,7 +93,7 @@ 
#define PGDIR_MASK		(~(PGDIR_SIZE-1))

#define PTRS_PER_PGD		(1UL << (PAGE_SHIFT-3))

#define USER_PTRS_PER_PGD	(5*PTRS_PER_PGD/8)	/* regions 0-4 are user regions */

#define FIRST_USER_PGD_NR	0

#define FIRST_USER_ADDRESS	0



/*

 * Definitions for second level: