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| author | Rafael J. Wysocki <rjw@sisk.pl> | 2006-02-01 03:05:07 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-02-01 08:53:12 -0800 |
| commit | 853609b61ef88b414ffd1613741aa59894334320 (patch) | |
| tree | 93def4ef8c820fb678bedf31f144b1d85942c181 /kernel | |
| parent | e8730eabd45e47e392f230ab8720c4b8537901fc (diff) | |
| download | lwn-853609b61ef88b414ffd1613741aa59894334320.tar.gz lwn-853609b61ef88b414ffd1613741aa59894334320.zip | |
[PATCH] swsusp: use bytes as image size units
Make swsusp use bytes as the image size units, which is needed for future
compatibility.
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>
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/power/disk.c | 6 | ||||
| -rw-r--r-- | kernel/power/power.h | 4 | ||||
| -rw-r--r-- | kernel/power/swsusp.c | 8 |
3 files changed, 9 insertions, 9 deletions
diff --git a/kernel/power/disk.c b/kernel/power/disk.c index e24446f8d8cd..f2b3b0ea512a 100644 --- a/kernel/power/disk.c +++ b/kernel/power/disk.c @@ -367,14 +367,14 @@ power_attr(resume); static ssize_t image_size_show(struct subsystem * subsys, char *buf) { - return sprintf(buf, "%u\n", image_size); + return sprintf(buf, "%lu\n", image_size); } static ssize_t image_size_store(struct subsystem * subsys, const char * buf, size_t n) { - unsigned int size; + unsigned long size; - if (sscanf(buf, "%u", &size) == 1) { + if (sscanf(buf, "%lu", &size) == 1) { image_size = size; return n; } diff --git a/kernel/power/power.h b/kernel/power/power.h index 7e8492fd1423..61beb5e0e927 100644 --- a/kernel/power/power.h +++ b/kernel/power/power.h @@ -51,8 +51,8 @@ extern const void __nosave_begin, __nosave_end; extern unsigned int nr_copy_pages; extern struct pbe *pagedir_nosave; -/* Preferred image size in MB (default 500) */ -extern unsigned int image_size; +/* Preferred image size in bytes (default 500 MB) */ +extern unsigned long image_size; extern asmlinkage int swsusp_arch_suspend(void); extern asmlinkage int swsusp_arch_resume(void); diff --git a/kernel/power/swsusp.c b/kernel/power/swsusp.c index 55a18d26abed..59c91c148e82 100644 --- a/kernel/power/swsusp.c +++ b/kernel/power/swsusp.c @@ -70,12 +70,12 @@ #include "power.h" /* - * Preferred image size in MB (tunable via /sys/power/image_size). + * Preferred image size in bytes (tunable via /sys/power/image_size). * When it is set to N, swsusp will do its best to ensure the image - * size will not exceed N MB, but if that is impossible, it will + * size will not exceed N bytes, but if that is impossible, it will * try to create the smallest image possible. */ -unsigned int image_size = 500; +unsigned long image_size = 500 * 1024 * 1024; #ifdef CONFIG_HIGHMEM unsigned int count_highmem_pages(void); @@ -590,7 +590,7 @@ int swsusp_shrink_memory(void) if (!tmp) return -ENOMEM; pages += tmp; - } else if (size > (image_size * 1024 * 1024) / PAGE_SIZE) { + } else if (size > image_size / PAGE_SIZE) { tmp = shrink_all_memory(SHRINK_BITE); pages += tmp; } |