lkml.org 
[lkml]   [2011]   [Nov]   [27]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH 50/62] power: remove the second argument of k[un]map_atomic()
Date

Signed-off-by: Cong Wang <amwang@redhat.com>
---
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 cbe2c14..8018450 100644
--- a/kernel/power/snapshot.c
+++ b/kernel/power/snapshot.c
@@ -993,20 +993,20 @@ static void copy_data_page(unsigned long dst_pfn, unsigned long src_pfn)
s_page = pfn_to_page(src_pfn);
d_page = pfn_to_page(dst_pfn);
if (PageHighMem(s_page)) {
- src = kmap_atomic(s_page, KM_USER0);
- dst = kmap_atomic(d_page, KM_USER1);
+ src = kmap_atomic(s_page);
+ dst = kmap_atomic(d_page);
do_copy_page(dst, src);
- kunmap_atomic(dst, KM_USER1);
- kunmap_atomic(src, KM_USER0);
+ kunmap_atomic(dst);
+ kunmap_atomic(src);
} else {
if (PageHighMem(d_page)) {
/* Page pointed to by src may contain some kernel
* data modified by kmap_atomic()
*/
safe_copy_page(buffer, s_page);
- dst = kmap_atomic(d_page, KM_USER0);
+ dst = kmap_atomic(d_page);
copy_page(dst, buffer);
- kunmap_atomic(dst, KM_USER0);
+ kunmap_atomic(dst);
} else {
safe_copy_page(page_address(d_page), s_page);
}
@@ -1721,9 +1721,9 @@ int snapshot_read_next(struct snapshot_handle *handle)
*/
void *kaddr;

- kaddr = kmap_atomic(page, KM_USER0);
+ kaddr = kmap_atomic(page);
copy_page(buffer, kaddr);
- kunmap_atomic(kaddr, KM_USER0);
+ kunmap_atomic(kaddr);
handle->buffer = buffer;
} else {
handle->buffer = page_address(page);
@@ -2007,9 +2007,9 @@ static void copy_last_highmem_page(void)
if (last_highmem_page) {
void *dst;

- dst = kmap_atomic(last_highmem_page, KM_USER0);
+ dst = kmap_atomic(last_highmem_page);
copy_page(dst, buffer);
- kunmap_atomic(dst, KM_USER0);
+ kunmap_atomic(dst);
last_highmem_page = NULL;
}
}
@@ -2302,13 +2302,13 @@ swap_two_pages_data(struct page *p1, struct page *p2, void *buf)
{
void *kaddr1, *kaddr2;

- kaddr1 = kmap_atomic(p1, KM_USER0);
- kaddr2 = kmap_atomic(p2, KM_USER1);
+ kaddr1 = kmap_atomic(p1);
+ kaddr2 = kmap_atomic(p2);
copy_page(buf, kaddr1);
copy_page(kaddr1, kaddr2);
copy_page(kaddr2, buf);
- kunmap_atomic(kaddr2, KM_USER1);
- kunmap_atomic(kaddr1, KM_USER0);
+ kunmap_atomic(kaddr2);
+ kunmap_atomic(kaddr1);
}

/**
--
1.7.4.4


\
 
 \ /
  Last update: 2011-11-27 06:41    [W:0.457 / U:35.612 seconds]
©2003-2017 Jasper Spaans. hosted at Digital OceanAdvertise on this site