The patch titled
Subject: mm/early_ioremap: use offset_in_page macro
has been added to the -mm tree. Its filename is
mm-early_ioremap-use-offset_in_page-macro.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/mm-early_ioremap-use-offset_in_page-macro.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/mm-early_ioremap-use-offset_in_page-macro.patch
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------------------------------------------------------
From: Alexander Kuleshov <kuleshovmail@xxxxxxxxx>
Subject: mm/early_ioremap: use offset_in_page macro
linux/mm.h provides offset_in_page() macro. Let's use already predefined
macro instead of (addr & ~PAGE_MASK).
Signed-off-by: Alexander Kuleshov <kuleshovmail@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/early_ioremap.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff -puN mm/early_ioremap.c~mm-early_ioremap-use-offset_in_page-macro mm/early_ioremap.c
--- a/mm/early_ioremap.c~mm-early_ioremap-use-offset_in_page-macro
+++ a/mm/early_ioremap.c
@@ -126,7 +126,7 @@ __early_ioremap(resource_size_t phys_add
/*
* Mappings have to be page-aligned
*/
- offset = phys_addr & ~PAGE_MASK;
+ offset = offset_in_page(phys_addr);
phys_addr &= PAGE_MASK;
size = PAGE_ALIGN(last_addr + 1) - phys_addr;
@@ -189,7 +189,7 @@ void __init early_iounmap(void __iomem *
if (WARN_ON(virt_addr < fix_to_virt(FIX_BTMAP_BEGIN)))
return;
- offset = virt_addr & ~PAGE_MASK;
+ offset = offset_in_page(virt_addr);
nrpages = PAGE_ALIGN(offset + size) >> PAGE_SHIFT;
idx = FIX_BTMAP_BEGIN - NR_FIX_BTMAPS*slot;
@@ -234,7 +234,7 @@ void __init copy_from_early_mem(void *de
char *p;
while (size) {
- slop = src & ~PAGE_MASK;
+ slop = offset_in_page(src);
clen = size;
if (clen > MAX_MAP_CHUNK - slop)
clen = MAX_MAP_CHUNK - slop;
_
Patches currently in -mm which might be from kuleshovmail@xxxxxxxxx are
mm-msync-use-offset_in_page-macro.patch
mm-nommu-use-offset_in_page-macro.patch
mm-mincore-use-offset_in_page-macro.patch
mm-early_ioremap-use-offset_in_page-macro.patch
mm-percpu-use-offset_in_page-macro.patch
mm-util-use-offset_in_page-macro.patch
mm-mlock-use-offset_in_page-macro.patch
mm-vmalloc-use-offset_in_page-macro.patch
mm-mmap-use-offset_in_page-macro.patch
mm-mremap-use-offset_in_page-macro.patch
lib-halfmd4-use-rol32-inline-function-in-the-round-macro.patch
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