[PATCH 8/8 linux-next] mm: use SECTION_MASK where possible

[Fabian Frederick]

Signed-off-by: Fabian Frederick <f...@skynet.be>
---
 kernel/memremap.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/kernel/memremap.c b/kernel/memremap.c
index 1bb5eec..8ebf9dd 100644
--- a/kernel/memremap.c
+++ b/kernel/memremap.c
@@ -198,7 +198,7 @@ static void pgmap_radix_release(struct resource *res)
 {
        resource_size_t key, align_start, align_size, align_end;
 
-       align_start = res->start & ~(SECTION_SIZE - 1);
+       align_start = res->start & SECTION_MASK;
        align_size = ALIGN(resource_size(res), SECTION_SIZE);
        align_end = align_start + align_size - 1;
 
@@ -244,7 +244,7 @@ static void devm_memremap_pages_release(struct device *dev, 
void *data)
        }
 
        /* pages are dead and unused, undo the arch mapping */
-       align_start = res->start & ~(SECTION_SIZE - 1);
+       align_start = res->start & SECTION_MASK;
        align_size = ALIGN(resource_size(res), SECTION_SIZE);
        arch_remove_memory(align_start, align_size);
        untrack_pfn(NULL, PHYS_PFN(align_start), align_size);
@@ -289,7 +289,7 @@ void *devm_memremap_pages(struct device *dev, struct 
resource *res,
        int error, nid, is_ram;
        unsigned long pfn;
 
-       align_start = res->start & ~(SECTION_SIZE - 1);
+       align_start = res->start & SECTION_MASK;
        align_size = ALIGN(res->start + resource_size(res), SECTION_SIZE)
                - align_start;
        is_ram = region_intersects(align_start, align_size,
-- 
2.7.4