[PATCH] Use ALIGN to remove duplicate code

This patch makes use of ALIGN() to remove duplicate round-up code.

Signed-off-by: Nick Wilson <njw@osdl.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

diff --git a/include/linux/a.out.h b/include/linux/a.out.h
index af8a1df..f913cc3 100644 (file)
--- a/include/linux/a.out.h
+++ b/include/linux/a.out.h
@@ -138,7 +138,7 @@ enum machine_type {
 #endif
 #endif
 
-#define _N_SEGMENT_ROUND(x) (((x) + SEGMENT_SIZE - 1) & ~(SEGMENT_SIZE - 1))
+#define _N_SEGMENT_ROUND(x) ALIGN(x, SEGMENT_SIZE)
 
 #define _N_TXTENDADDR(x) (N_TXTADDR(x)+(x).a_text)
 

diff --git a/kernel/resource.c b/kernel/resource.c
index 52f696f..26967e0 100644 (file)
--- a/kernel/resource.c
+++ b/kernel/resource.c
@@ -263,7 +263,7 @@ static int find_resource(struct resource *root, struct resource *new,
                        new->start = min;
                if (new->end > max)
                        new->end = max;
-               new->start = (new->start + align - 1) & ~(align - 1);
+               new->start = ALIGN(new->start, align);
                if (alignf)
                        alignf(alignf_data, new, size, align);
                if (new->start < new->end && new->end - new->start >= size - 1) {

diff --git a/lib/bitmap.c b/lib/bitmap.c
index d1388a5..fb9371f 100644 (file)
--- a/lib/bitmap.c
+++ b/lib/bitmap.c
@@ -289,7 +289,6 @@ EXPORT_SYMBOL(__bitmap_weight);
 
 #define CHUNKSZ                                32
 #define nbits_to_hold_value(val)       fls(val)
-#define roundup_power2(val,modulus)    (((val) + (modulus) - 1) & ~((modulus) - 1))
 #define unhex(c)                       (isdigit(c) ? (c - '0') : (toupper(c) - 'A' + 10))
 #define BASEDEC 10             /* fancier cpuset lists input in decimal */
 
@@ -316,7 +315,7 @@ int bitmap_scnprintf(char *buf, unsigned int buflen,
        if (chunksz == 0)
                chunksz = CHUNKSZ;
 
-       i = roundup_power2(nmaskbits, CHUNKSZ) - CHUNKSZ;
+       i = ALIGN(nmaskbits, CHUNKSZ) - CHUNKSZ;
        for (; i >= 0; i -= CHUNKSZ) {
                chunkmask = ((1ULL << chunksz) - 1);
                word = i / BITS_PER_LONG;

diff --git a/mm/bootmem.c b/mm/bootmem.c
index 45275f1..c1330cc 100644 (file)
--- a/mm/bootmem.c
+++ b/mm/bootmem.c
@@ -65,7 +65,7 @@ static unsigned long __init init_bootmem_core (pg_data_t *pgdat,
        pgdat->pgdat_next = pgdat_list;
        pgdat_list = pgdat;
 
-       mapsize = (mapsize + (sizeof(long) - 1UL)) & ~(sizeof(long) - 1UL);
+       mapsize = ALIGN(mapsize, sizeof(long));
        bdata->node_bootmem_map = phys_to_virt(mapstart << PAGE_SHIFT);
        bdata->node_boot_start = (start << PAGE_SHIFT);
        bdata->node_low_pfn = end;
@@ -186,7 +186,7 @@ __alloc_bootmem_core(struct bootmem_data *bdata, unsigned long size,
        } else
                preferred = 0;
 
-       preferred = ((preferred + align - 1) & ~(align - 1)) >> PAGE_SHIFT;
+       preferred = ALIGN(preferred, align) >> PAGE_SHIFT;
        preferred += offset;
        areasize = (size+PAGE_SIZE-1)/PAGE_SIZE;
        incr = align >> PAGE_SHIFT ? : 1;
@@ -227,7 +227,7 @@ found:
         */
        if (align < PAGE_SIZE &&
            bdata->last_offset && bdata->last_pos+1 == start) {
-               offset = (bdata->last_offset+align-1) & ~(align-1);
+               offset = ALIGN(bdata->last_offset, align);
                BUG_ON(offset > PAGE_SIZE);
                remaining_size = PAGE_SIZE-offset;
                if (size < remaining_size) {