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-rw-r--r--arch/ia64/mm/contig.c30
-rw-r--r--arch/ia64/mm/discontig.c4
-rw-r--r--arch/ia64/mm/init.c16
-rw-r--r--include/asm-ia64/meminit.h1
4 files changed, 24 insertions, 27 deletions
diff --git a/arch/ia64/mm/contig.c b/arch/ia64/mm/contig.c
index fb0f4698f5d..44ce5ed9444 100644
--- a/arch/ia64/mm/contig.c
+++ b/arch/ia64/mm/contig.c
@@ -97,26 +97,6 @@ void show_mem(void)
unsigned long bootmap_start;
/**
- * find_max_pfn - adjust the maximum page number callback
- * @start: start of range
- * @end: end of range
- * @arg: address of pointer to global max_pfn variable
- *
- * Passed as a callback function to efi_memmap_walk() to determine the highest
- * available page frame number in the system.
- */
-int
-find_max_pfn (unsigned long start, unsigned long end, void *arg)
-{
- unsigned long *max_pfnp = arg, pfn;
-
- pfn = (PAGE_ALIGN(end - 1) - PAGE_OFFSET) >> PAGE_SHIFT;
- if (pfn > *max_pfnp)
- *max_pfnp = pfn;
- return 0;
-}
-
-/**
* find_bootmap_location - callback to find a memory area for the bootmap
* @start: start of region
* @end: end of region
@@ -177,9 +157,10 @@ find_memory (void)
reserve_memory();
/* first find highest page frame number */
- max_pfn = 0;
- efi_memmap_walk(find_max_pfn, &max_pfn);
-
+ min_low_pfn = ~0UL;
+ max_low_pfn = 0;
+ efi_memmap_walk(find_max_min_low_pfn, NULL);
+ max_pfn = max_low_pfn;
/* how many bytes to cover all the pages */
bootmap_size = bootmem_bootmap_pages(max_pfn) << PAGE_SHIFT;
@@ -189,7 +170,8 @@ find_memory (void)
if (bootmap_start == ~0UL)
panic("Cannot find %ld bytes for bootmap\n", bootmap_size);
- bootmap_size = init_bootmem(bootmap_start >> PAGE_SHIFT, max_pfn);
+ bootmap_size = init_bootmem_node(NODE_DATA(0),
+ (bootmap_start >> PAGE_SHIFT), 0, max_pfn);
/* Free all available memory, then mark bootmem-map as being in use. */
efi_memmap_walk(filter_rsvd_memory, free_bootmem);
diff --git a/arch/ia64/mm/discontig.c b/arch/ia64/mm/discontig.c
index 11a2d8825d8..872da7a2acc 100644
--- a/arch/ia64/mm/discontig.c
+++ b/arch/ia64/mm/discontig.c
@@ -88,9 +88,6 @@ static int __init build_node_maps(unsigned long start, unsigned long len,
bdp->node_low_pfn = max(epfn, bdp->node_low_pfn);
}
- min_low_pfn = min(min_low_pfn, bdp->node_boot_start>>PAGE_SHIFT);
- max_low_pfn = max(max_low_pfn, bdp->node_low_pfn);
-
return 0;
}
@@ -438,6 +435,7 @@ void __init find_memory(void)
/* These actually end up getting called by call_pernode_memory() */
efi_memmap_walk(filter_rsvd_memory, build_node_maps);
efi_memmap_walk(filter_rsvd_memory, find_pernode_space);
+ efi_memmap_walk(find_max_min_low_pfn, NULL);
for_each_online_node(node)
if (mem_data[node].bootmem_data.node_low_pfn) {
diff --git a/arch/ia64/mm/init.c b/arch/ia64/mm/init.c
index f225dd72968..c8da621aab1 100644
--- a/arch/ia64/mm/init.c
+++ b/arch/ia64/mm/init.c
@@ -648,6 +648,22 @@ count_reserved_pages (u64 start, u64 end, void *arg)
return 0;
}
+int
+find_max_min_low_pfn (unsigned long start, unsigned long end, void *arg)
+{
+ unsigned long pfn_start, pfn_end;
+#ifdef CONFIG_FLATMEM
+ pfn_start = (PAGE_ALIGN(__pa(start))) >> PAGE_SHIFT;
+ pfn_end = (PAGE_ALIGN(__pa(end - 1))) >> PAGE_SHIFT;
+#else
+ pfn_start = GRANULEROUNDDOWN(__pa(start)) >> PAGE_SHIFT;
+ pfn_end = GRANULEROUNDUP(__pa(end - 1)) >> PAGE_SHIFT;
+#endif
+ min_low_pfn = min(min_low_pfn, pfn_start);
+ max_low_pfn = max(max_low_pfn, pfn_end);
+ return 0;
+}
+
/*
* Boot command-line option "nolwsys" can be used to disable the use of any light-weight
* system call handler. When this option is in effect, all fsyscalls will end up bubbling
diff --git a/include/asm-ia64/meminit.h b/include/asm-ia64/meminit.h
index 21ec5f3d23d..3a62878e84f 100644
--- a/include/asm-ia64/meminit.h
+++ b/include/asm-ia64/meminit.h
@@ -36,6 +36,7 @@ extern void reserve_memory (void);
extern void find_initrd (void);
extern int filter_rsvd_memory (unsigned long start, unsigned long end, void *arg);
extern void efi_memmap_init(unsigned long *, unsigned long *);
+extern int find_max_min_low_pfn (unsigned long , unsigned long, void *);
extern unsigned long vmcore_find_descriptor_size(unsigned long address);
extern int reserve_elfcorehdr(unsigned long *start, unsigned long *end);