@@ -26,22 +26,6 @@
sparc_flush_page_to_ram(page); \
} while (0)
-/* The following structure is used to hold the physical
- * memory configuration of the machine. This is filled in
- * prom_meminit() and is later used by mem_init() to set up
- * mem_map[]. We statically allocate SPARC_PHYS_BANKS+1 of
- * these structs, this is arbitrary. The entry after the
- * last valid one has num_bytes==0.
- */
-struct sparc_phys_banks {
- unsigned long base_addr;
- unsigned long num_bytes;
-};
-
-#define SPARC_PHYS_BANKS 32
-
-extern struct sparc_phys_banks sp_banks[SPARC_PHYS_BANKS+1];
-
/* passing structs on the Sparc slow us down tremendously... */
/* #define STRICT_MM_TYPECHECKS */
@@ -39,8 +39,6 @@
static unsigned long *sparc_valid_addr_bitmap;
-struct sparc_phys_banks sp_banks[SPARC_PHYS_BANKS+1];
-
/* Initial ramdisk setup */
extern unsigned int sparc_ramdisk_image;
extern unsigned int sparc_ramdisk_size;
@@ -8,30 +8,21 @@
#include <linux/kernel.h>
#include <linux/memblock.h>
-#include <linux/sort.h>
#include <linux/init.h>
#include <asm/openprom.h>
#include <asm/oplib.h>
#include <asm/page.h>
-static int __init prom_meminit_v0(void)
+static void __init prom_meminit_v0(void)
{
struct linux_mlist_v0 *p;
- int index;
- index = 0;
- for (p = *(romvec->pv_v0mem.v0_available); p; p = p->theres_more) {
- sp_banks[index].base_addr = (unsigned long) p->start_adr;
- sp_banks[index].num_bytes = p->num_bytes;
+ for (p = *(romvec->pv_v0mem.v0_available); p; p = p->theres_more)
memblock_add(p->start_adr, p->num_bytes & PAGE_MASK);
- index++;
- }
-
- return index;
}
-static int __init prom_meminit_v2(void)
+static void __init prom_meminit_v2(void)
{
struct linux_prom_registers reg[64];
phandle node;
@@ -41,51 +32,24 @@ static int __init prom_meminit_v2(void)
size = prom_getproperty(node, "available", (char *) reg, sizeof(reg));
num_ents = size / sizeof(struct linux_prom_registers);
- for (i = 0; i < num_ents; i++) {
- sp_banks[i].base_addr = reg[i].phys_addr;
- sp_banks[i].num_bytes = reg[i].reg_size;
+ for (i = 0; i < num_ents; i++)
memblock_add(reg[i].phys_addr, reg[i].reg_size & PAGE_MASK);
- }
-
- return num_ents;
-}
-
-static int sp_banks_cmp(const void *a, const void *b)
-{
- const struct sparc_phys_banks *x = a, *y = b;
-
- if (x->base_addr > y->base_addr)
- return 1;
- if (x->base_addr < y->base_addr)
- return -1;
- return 0;
}
/* Initialize the memory lists based upon the prom version. */
void __init prom_meminit(void)
{
- int i, num_ents = 0;
-
switch (prom_vers) {
case PROM_V0:
- num_ents = prom_meminit_v0();
+ prom_meminit_v0();
break;
case PROM_V2:
case PROM_V3:
- num_ents = prom_meminit_v2();
+ prom_meminit_v2();
break;
default:
break;
}
- sort(sp_banks, num_ents, sizeof(struct sparc_phys_banks),
- sp_banks_cmp, NULL);
-
- /* Sentinel. */
- sp_banks[num_ents].base_addr = 0xdeadbeef;
- sp_banks[num_ents].num_bytes = 0;
-
- for (i = 0; i < num_ents; i++)
- sp_banks[i].num_bytes &= PAGE_MASK;
}
All memory-map consumers now use memblock. Stop duplicating the PROM map in sp_banks and remove the array, its type, and its fixed bank limit. Suggested-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: Magnus Lindholm <linmag7@gmail.com> --- arch/sparc/include/asm/page_32.h | 16 ----------- arch/sparc/mm/init_32.c | 2 -- arch/sparc/prom/memory.c | 48 ++++---------------------------- 3 files changed, 6 insertions(+), 60 deletions(-)