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[PATCH] Change the name of pagedir_nosave 

The name of the pagedir_nosave variable does not make sense any more, so it
seems reasonable to change it to something more meaningful.

Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Acked-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Rafael J. Wysocki 2006-09-25 23:32:52 -07:00 committed by Linus Torvalds
parent dcbb5a54f6
commit 75534b50cc
5 changed files with 18 additions and 18 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
arch/i386/power/swsusp.S
View File

@ -32,7 +32,7 @@ ENTRY(swsusp_arch_resume)
movl $swsusp_pg_dir-__PAGE_OFFSET, %ecx movl $swsusp_pg_dir-__PAGE_OFFSET, %ecx
movl %ecx, %cr3 movl %ecx, %cr3
movl pagedir_nosave, %edx movl restore_pblist, %edx
.p2align 4,,7 .p2align 4,,7
copy_loop: copy_loop:

4
arch/powerpc/kernel/swsusp_32.S
View File

@ -159,8 +159,8 @@ END_FTR_SECTION_IFSET(CPU_FTR_ALTIVEC)
isync isync
/* Load ptr the list of pages to copy in r3 */ /* Load ptr the list of pages to copy in r3 */
lis r11,(pagedir_nosave - KERNELBASE)@h lis r11,(restore_pblist - KERNELBASE)@h
ori r11,r11,pagedir_nosave@l ori r11,r11,restore_pblist@l
lwz r10,0(r11) lwz r10,0(r11)
/* Copy the pages. This is a very basic implementation, to /* Copy the pages. This is a very basic implementation, to

2
arch/x86_64/kernel/suspend_asm.S
View File

@ -54,7 +54,7 @@ ENTRY(restore_image)
movq %rcx, %cr3; movq %rcx, %cr3;
movq %rax, %cr4; # turn PGE back on movq %rax, %cr4; # turn PGE back on
movq pagedir_nosave(%rip), %rdx movq restore_pblist(%rip), %rdx
loop: loop:
testq %rdx, %rdx testq %rdx, %rdx
jz done jz done

2
kernel/power/power.h
View File

@ -38,8 +38,6 @@ extern struct subsystem power_subsys;
/* References to section boundaries */ /* References to section boundaries */
extern const void __nosave_begin, __nosave_end; extern const void __nosave_begin, __nosave_end;
extern struct pbe *pagedir_nosave;
/* Preferred image size in bytes (default 500 MB) */ /* Preferred image size in bytes (default 500 MB) */
extern unsigned long image_size; extern unsigned long image_size;
extern int in_suspend; extern int in_suspend;

26
kernel/power/snapshot.c
View File

@ -34,7 +34,9 @@
#include "power.h" #include "power.h"
struct pbe *pagedir_nosave; /* List of PBEs used for creating and restoring the suspend image */
struct pbe *restore_pblist;
static unsigned int nr_copy_pages; static unsigned int nr_copy_pages;
static unsigned int nr_meta_pages; static unsigned int nr_meta_pages;
static unsigned long *buffer; static unsigned long *buffer;
@ -415,7 +417,7 @@ void swsusp_free(void)
} }
nr_copy_pages = 0; nr_copy_pages = 0;
nr_meta_pages = 0; nr_meta_pages = 0;
pagedir_nosave = NULL; restore_pblist = NULL;
buffer = NULL; buffer = NULL;
} }
@ -490,15 +492,15 @@ asmlinkage int swsusp_save(void)
return -ENOMEM; return -ENOMEM;
} }
pagedir_nosave = swsusp_alloc(nr_pages); restore_pblist = swsusp_alloc(nr_pages);
if (!pagedir_nosave) if (!restore_pblist)
return -ENOMEM; return -ENOMEM;
/* During allocating of suspend pagedir, new cold pages may appear. /* During allocating of suspend pagedir, new cold pages may appear.
* Kill them. * Kill them.
*/ */
drain_local_pages(); drain_local_pages();
copy_data_pages(pagedir_nosave); copy_data_pages(restore_pblist);
/* /*
* End of critical section. From now on, we can write to memory, * End of critical section. From now on, we can write to memory,
@ -580,13 +582,13 @@ int snapshot_read_next(struct snapshot_handle *handle, size_t count)
if (!handle->offset) { if (!handle->offset) {
init_header((struct swsusp_info *)buffer); init_header((struct swsusp_info *)buffer);
handle->buffer = buffer; handle->buffer = buffer;
handle->pbe = pagedir_nosave; handle->pbe = restore_pblist;
} }
if (handle->prev < handle->cur) { if (handle->prev < handle->cur) {
if (handle->cur <= nr_meta_pages) { if (handle->cur <= nr_meta_pages) {
handle->pbe = pack_orig_addresses(buffer, handle->pbe); handle->pbe = pack_orig_addresses(buffer, handle->pbe);
if (!handle->pbe) if (!handle->pbe)
handle->pbe = pagedir_nosave; handle->pbe = restore_pblist;
} else { } else {
handle->buffer = (void *)handle->pbe->address; handle->buffer = (void *)handle->pbe->address;
handle->pbe = handle->pbe->next; handle->pbe = handle->pbe->next;
@ -689,7 +691,7 @@ static int load_header(struct snapshot_handle *handle,
pblist = alloc_pagedir(info->image_pages, GFP_ATOMIC, 0); pblist = alloc_pagedir(info->image_pages, GFP_ATOMIC, 0);
if (!pblist) if (!pblist)
return -ENOMEM; return -ENOMEM;
pagedir_nosave = pblist; restore_pblist = pblist;
handle->pbe = pblist; handle->pbe = pblist;
nr_copy_pages = info->image_pages; nr_copy_pages = info->image_pages;
nr_meta_pages = info->pages - info->image_pages - 1; nr_meta_pages = info->pages - info->image_pages - 1;
@ -716,7 +718,7 @@ static inline struct pbe *unpack_orig_addresses(unsigned long *buf,
/** /**
* prepare_image - use metadata contained in the PBE list * prepare_image - use metadata contained in the PBE list
* pointed to by pagedir_nosave to mark the pages that will * pointed to by restore_pblist to mark the pages that will
* be overwritten in the process of restoring the system * be overwritten in the process of restoring the system
* memory state from the image ("unsafe" pages) and allocate * memory state from the image ("unsafe" pages) and allocate
* memory for the image * memory for the image
@ -741,7 +743,7 @@ static int prepare_image(struct snapshot_handle *handle)
unsigned int nr_pages = nr_copy_pages; unsigned int nr_pages = nr_copy_pages;
struct pbe *p, *pblist = NULL; struct pbe *p, *pblist = NULL;
p = pagedir_nosave; p = restore_pblist;
error = mark_unsafe_pages(p); error = mark_unsafe_pages(p);
if (!error) { if (!error) {
pblist = alloc_pagedir(nr_pages, GFP_ATOMIC, 1); pblist = alloc_pagedir(nr_pages, GFP_ATOMIC, 1);
@ -773,7 +775,7 @@ static int prepare_image(struct snapshot_handle *handle)
} }
} }
if (!error) { if (!error) {
pagedir_nosave = pblist; restore_pblist = pblist;
} else { } else {
handle->pbe = NULL; handle->pbe = NULL;
swsusp_free(); swsusp_free();
@ -858,7 +860,7 @@ int snapshot_write_next(struct snapshot_handle *handle, size_t count)
error = prepare_image(handle); error = prepare_image(handle);
if (error) if (error)
return error; return error;
handle->pbe = pagedir_nosave; handle->pbe = restore_pblist;
handle->last_pbe = NULL; handle->last_pbe = NULL;
handle->buffer = get_buffer(handle); handle->buffer = get_buffer(handle);
handle->sync_read = 0; handle->sync_read = 0;