diff options
| -rw-r--r-- | kernel/power/snapshot.c | 28 |
1 files changed, 14 insertions, 14 deletions
diff --git a/kernel/power/snapshot.c b/kernel/power/snapshot.c index 6a768e537001..3a564ac85f36 100644 --- a/kernel/power/snapshot.c +++ b/kernel/power/snapshot.c | |||
| @@ -1000,20 +1000,20 @@ static void copy_data_page(unsigned long dst_pfn, unsigned long src_pfn) | |||
| 1000 | s_page = pfn_to_page(src_pfn); | 1000 | s_page = pfn_to_page(src_pfn); |
| 1001 | d_page = pfn_to_page(dst_pfn); | 1001 | d_page = pfn_to_page(dst_pfn); |
| 1002 | if (PageHighMem(s_page)) { | 1002 | if (PageHighMem(s_page)) { |
| 1003 | src = kmap_atomic(s_page, KM_USER0); | 1003 | src = kmap_atomic(s_page); |
| 1004 | dst = kmap_atomic(d_page, KM_USER1); | 1004 | dst = kmap_atomic(d_page); |
| 1005 | do_copy_page(dst, src); | 1005 | do_copy_page(dst, src); |
| 1006 | kunmap_atomic(dst, KM_USER1); | 1006 | kunmap_atomic(dst); |
| 1007 | kunmap_atomic(src, KM_USER0); | 1007 | kunmap_atomic(src); |
| 1008 | } else { | 1008 | } else { |
| 1009 | if (PageHighMem(d_page)) { | 1009 | if (PageHighMem(d_page)) { |
| 1010 | /* Page pointed to by src may contain some kernel | 1010 | /* Page pointed to by src may contain some kernel |
| 1011 | * data modified by kmap_atomic() | 1011 | * data modified by kmap_atomic() |
| 1012 | */ | 1012 | */ |
| 1013 | safe_copy_page(buffer, s_page); | 1013 | safe_copy_page(buffer, s_page); |
| 1014 | dst = kmap_atomic(d_page, KM_USER0); | 1014 | dst = kmap_atomic(d_page); |
| 1015 | copy_page(dst, buffer); | 1015 | copy_page(dst, buffer); |
| 1016 | kunmap_atomic(dst, KM_USER0); | 1016 | kunmap_atomic(dst); |
| 1017 | } else { | 1017 | } else { |
| 1018 | safe_copy_page(page_address(d_page), s_page); | 1018 | safe_copy_page(page_address(d_page), s_page); |
| 1019 | } | 1019 | } |
| @@ -1728,9 +1728,9 @@ int snapshot_read_next(struct snapshot_handle *handle) | |||
| 1728 | */ | 1728 | */ |
| 1729 | void *kaddr; | 1729 | void *kaddr; |
| 1730 | 1730 | ||
| 1731 | kaddr = kmap_atomic(page, KM_USER0); | 1731 | kaddr = kmap_atomic(page); |
| 1732 | copy_page(buffer, kaddr); | 1732 | copy_page(buffer, kaddr); |
| 1733 | kunmap_atomic(kaddr, KM_USER0); | 1733 | kunmap_atomic(kaddr); |
| 1734 | handle->buffer = buffer; | 1734 | handle->buffer = buffer; |
| 1735 | } else { | 1735 | } else { |
| 1736 | handle->buffer = page_address(page); | 1736 | handle->buffer = page_address(page); |
| @@ -2014,9 +2014,9 @@ static void copy_last_highmem_page(void) | |||
| 2014 | if (last_highmem_page) { | 2014 | if (last_highmem_page) { |
| 2015 | void *dst; | 2015 | void *dst; |
| 2016 | 2016 | ||
| 2017 | dst = kmap_atomic(last_highmem_page, KM_USER0); | 2017 | dst = kmap_atomic(last_highmem_page); |
| 2018 | copy_page(dst, buffer); | 2018 | copy_page(dst, buffer); |
| 2019 | kunmap_atomic(dst, KM_USER0); | 2019 | kunmap_atomic(dst); |
| 2020 | last_highmem_page = NULL; | 2020 | last_highmem_page = NULL; |
| 2021 | } | 2021 | } |
| 2022 | } | 2022 | } |
| @@ -2309,13 +2309,13 @@ swap_two_pages_data(struct page *p1, struct page *p2, void *buf) | |||
| 2309 | { | 2309 | { |
| 2310 | void *kaddr1, *kaddr2; | 2310 | void *kaddr1, *kaddr2; |
| 2311 | 2311 | ||
| 2312 | kaddr1 = kmap_atomic(p1, KM_USER0); | 2312 | kaddr1 = kmap_atomic(p1); |
| 2313 | kaddr2 = kmap_atomic(p2, KM_USER1); | 2313 | kaddr2 = kmap_atomic(p2); |
| 2314 | copy_page(buf, kaddr1); | 2314 | copy_page(buf, kaddr1); |
| 2315 | copy_page(kaddr1, kaddr2); | 2315 | copy_page(kaddr1, kaddr2); |
| 2316 | copy_page(kaddr2, buf); | 2316 | copy_page(kaddr2, buf); |
| 2317 | kunmap_atomic(kaddr2, KM_USER1); | 2317 | kunmap_atomic(kaddr2); |
| 2318 | kunmap_atomic(kaddr1, KM_USER0); | 2318 | kunmap_atomic(kaddr1); |
| 2319 | } | 2319 | } |
| 2320 | 2320 | ||
| 2321 | /** | 2321 | /** |
