[PATCH 4/6] memblock: Use round_up/down() instead of memblock_align_up/down()
From: Tejun Heo <tj@kernel.org>
Date: 2011-07-12 07:58:29
Also in:
lkml
Subsystem:
memblock and memory management initialization, memory management, the rest · Maintainers:
Mike Rapoport, Andrew Morton, Linus Torvalds
Signed-off-by: Tejun Heo <tj@kernel.org> Cc: Yinghai Lu <yinghai@kernel.org> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> --- mm/memblock.c | 21 +++++---------------- 1 files changed, 5 insertions(+), 16 deletions(-)
diff --git a/mm/memblock.c b/mm/memblock.c
index 87e512d..9882a88 100644
--- a/mm/memblock.c
+++ b/mm/memblock.c@@ -41,17 +41,6 @@ static inline const char *memblock_type_name(struct memblock_type *type) /* * Address comparison utilities */ - -static phys_addr_t __init_memblock memblock_align_down(phys_addr_t addr, phys_addr_t size) -{ - return addr & ~(size - 1); -} - -static phys_addr_t __init_memblock memblock_align_up(phys_addr_t addr, phys_addr_t size) -{ - return (addr + (size - 1)) & ~(size - 1); -} - static unsigned long __init_memblock memblock_addrs_overlap(phys_addr_t base1, phys_addr_t size1, phys_addr_t base2, phys_addr_t size2) {
@@ -87,7 +76,7 @@ static phys_addr_t __init_memblock memblock_find_region(phys_addr_t start, phys_ if (end < size) return MEMBLOCK_ERROR; - base = memblock_align_down((end - size), align); + base = round_down(end - size, align); /* Prevent allocations returning 0 as it's also used to * indicate an allocation failure
@@ -102,7 +91,7 @@ static phys_addr_t __init_memblock memblock_find_region(phys_addr_t start, phys_ res_base = memblock.reserved.regions[j].base; if (res_base < size) break; - base = memblock_align_down(res_base - size, align); + base = round_down(res_base - size, align); } return MEMBLOCK_ERROR;
@@ -486,7 +475,7 @@ phys_addr_t __init __memblock_alloc_base(phys_addr_t size, phys_addr_t align, ph /* We align the size to limit fragmentation. Without this, a lot of * small allocs quickly eat up the whole reserve array on sparc */ - size = memblock_align_up(size, align); + size = round_up(size, align); found = memblock_find_base(size, align, 0, max_addr); if (found != MEMBLOCK_ERROR &&
@@ -562,7 +551,7 @@ static phys_addr_t __init memblock_alloc_nid_region(struct memblock_region *mp, start = mp->base; end = start + mp->size; - start = memblock_align_up(start, align); + start = round_up(start, align); while (start < end) { phys_addr_t this_end; int this_nid;
@@ -590,7 +579,7 @@ phys_addr_t __init memblock_alloc_nid(phys_addr_t size, phys_addr_t align, int n /* We align the size to limit fragmentation. Without this, a lot of * small allocs quickly eat up the whole reserve array on sparc */ - size = memblock_align_up(size, align); + size = round_up(size, align); /* We do a bottom-up search for a region with the right * nid since that's easier considering how memblock_nid_range()
--
1.7.6