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authorSantosh Shilimkar <santosh.shilimkar@ti.com>2014-01-21 15:50:25 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2014-01-21 16:19:47 -0800
commit6782832eba5e8c87a749a41da8deda1c3ef67ba0 (patch)
treec4e0e5cce518a5fcf602886344caa98e87a8e4d0 /mm/page_alloc.c
parent9da791dfabc60218c81904c7906b45789466e68e (diff)
downloadlinux-6782832eba5e8c87a749a41da8deda1c3ef67ba0.tar.bz2
mm/page_alloc.c: use memblock apis for early memory allocations
Switch to memblock interfaces for early memory allocator instead of bootmem allocator. No functional change in beahvior than what it is in current code from bootmem users points of view. Archs already converted to NO_BOOTMEM now directly use memblock interfaces instead of bootmem wrappers build on top of memblock. And the archs which still uses bootmem, these new apis just fallback to exiting bootmem APIs. Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com> Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com> Cc: Yinghai Lu <yinghai@kernel.org> Cc: Tejun Heo <tj@kernel.org> Cc: "Rafael J. Wysocki" <rjw@sisk.pl> Cc: Arnd Bergmann <arnd@arndb.de> Cc: Christoph Lameter <cl@linux-foundation.org> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: H. Peter Anvin <hpa@zytor.com> Cc: Johannes Weiner <hannes@cmpxchg.org> Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> Cc: Michal Hocko <mhocko@suse.cz> Cc: Paul Walmsley <paul@pwsan.com> Cc: Pavel Machek <pavel@ucw.cz> Cc: Russell King <linux@arm.linux.org.uk> Cc: Tony Lindgren <tony@atomide.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/page_alloc.c')
-rw-r--r--mm/page_alloc.c27
1 files changed, 15 insertions, 12 deletions
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 4f59d1986018..b230e838883d 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -4215,7 +4215,6 @@ static noinline __init_refok
int zone_wait_table_init(struct zone *zone, unsigned long zone_size_pages)
{
int i;
- struct pglist_data *pgdat = zone->zone_pgdat;
size_t alloc_size;
/*
@@ -4231,7 +4230,8 @@ int zone_wait_table_init(struct zone *zone, unsigned long zone_size_pages)
if (!slab_is_available()) {
zone->wait_table = (wait_queue_head_t *)
- alloc_bootmem_node_nopanic(pgdat, alloc_size);
+ memblock_virt_alloc_node_nopanic(
+ alloc_size, zone->zone_pgdat->node_id);
} else {
/*
* This case means that a zone whose size was 0 gets new memory
@@ -4351,13 +4351,14 @@ bool __meminit early_pfn_in_nid(unsigned long pfn, int node)
#endif
/**
- * free_bootmem_with_active_regions - Call free_bootmem_node for each active range
+ * free_bootmem_with_active_regions - Call memblock_free_early_nid for each active range
* @nid: The node to free memory on. If MAX_NUMNODES, all nodes are freed.
- * @max_low_pfn: The highest PFN that will be passed to free_bootmem_node
+ * @max_low_pfn: The highest PFN that will be passed to memblock_free_early_nid
*
* If an architecture guarantees that all ranges registered with
* add_active_ranges() contain no holes and may be freed, this
- * this function may be used instead of calling free_bootmem() manually.
+ * this function may be used instead of calling memblock_free_early_nid()
+ * manually.
*/
void __init free_bootmem_with_active_regions(int nid, unsigned long max_low_pfn)
{
@@ -4369,9 +4370,9 @@ void __init free_bootmem_with_active_regions(int nid, unsigned long max_low_pfn)
end_pfn = min(end_pfn, max_low_pfn);
if (start_pfn < end_pfn)
- free_bootmem_node(NODE_DATA(this_nid),
- PFN_PHYS(start_pfn),
- (end_pfn - start_pfn) << PAGE_SHIFT);
+ memblock_free_early_nid(PFN_PHYS(start_pfn),
+ (end_pfn - start_pfn) << PAGE_SHIFT,
+ this_nid);
}
}
@@ -4642,8 +4643,9 @@ static void __init setup_usemap(struct pglist_data *pgdat,
unsigned long usemapsize = usemap_size(zone_start_pfn, zonesize);
zone->pageblock_flags = NULL;
if (usemapsize)
- zone->pageblock_flags = alloc_bootmem_node_nopanic(pgdat,
- usemapsize);
+ zone->pageblock_flags =
+ memblock_virt_alloc_node_nopanic(usemapsize,
+ pgdat->node_id);
}
#else
static inline void setup_usemap(struct pglist_data *pgdat, struct zone *zone,
@@ -4837,7 +4839,8 @@ static void __init_refok alloc_node_mem_map(struct pglist_data *pgdat)
size = (end - start) * sizeof(struct page);
map = alloc_remap(pgdat->node_id, size);
if (!map)
- map = alloc_bootmem_node_nopanic(pgdat, size);
+ map = memblock_virt_alloc_node_nopanic(size,
+ pgdat->node_id);
pgdat->node_mem_map = map + (pgdat->node_start_pfn - start);
}
#ifndef CONFIG_NEED_MULTIPLE_NODES
@@ -5887,7 +5890,7 @@ void *__init alloc_large_system_hash(const char *tablename,
do {
size = bucketsize << log2qty;
if (flags & HASH_EARLY)
- table = alloc_bootmem_nopanic(size);
+ table = memblock_virt_alloc_nopanic(size, 0);
else if (hashdist)
table = __vmalloc(size, GFP_ATOMIC, PAGE_KERNEL);
else {