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pmem: kill __pmem address space

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The __pmem address space was meant to annotate codepaths that touch
persistent memory and need to coordinate a call to wmb_pmem().  Now that
wmb_pmem() is gone, there is little need to keep this annotation.

Cc: Christoph Hellwig <[email protected]>
Cc: Ross Zwisler <[email protected]>
Signed-off-by: Dan Williams <[email protected]>
This commit is contained in:
Dan Williams 2016-06-03 18:06:47 -07:00
commit 7a9eb20666
15 changed files with 56 additions and 102 deletions
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4
drivers/block/brd.c
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@ -381,7 +381,7 @@ static int brd_rw_page(struct block_device *bdev, sector_t sector,
#ifdef CONFIG_BLK_DEV_RAM_DAX
static long brd_direct_access(struct block_device *bdev, sector_t sector,
void __pmem **kaddr, pfn_t *pfn, long size)
void **kaddr, pfn_t *pfn, long size)
{
struct brd_device *brd = bdev->bd_disk->private_data;
struct page *page;
@ -391,7 +391,7 @@ static long brd_direct_access(struct block_device *bdev, sector_t sector,
page = brd_insert_page(brd, sector);
if (!page)
return -ENOSPC;
*kaddr = (void __pmem *)page_address(page);
*kaddr = page_address(page);
*pfn = page_to_pfn_t(page);
return PAGE_SIZE;