Subject: + mm-vmallocc-remove-alloc_map-from-vmap_block.patch added to -mm tree
To: zhangyanfei@xxxxxxxxxxxxxx,hannes@xxxxxxxxxxx,mel@xxxxxxxxx
From: akpm@xxxxxxxxxxxxxxxxxxxx
Date: Tue, 11 Jun 2013 13:05:02 -0700
The patch titled
Subject: mm/vmalloc.c: remove alloc_map from vmap_block
has been added to the -mm tree. Its filename is
mm-vmallocc-remove-alloc_map-from-vmap_block.patch
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From: Zhang Yanfei <zhangyanfei@xxxxxxxxxxxxxx>
Subject: mm/vmalloc.c: remove alloc_map from vmap_block
As we have removed the dead code in the vb_alloc, it seems there is no
place to use the alloc_map. So there is no reason to maintain the
alloc_map in vmap_block.
Signed-off-by: Zhang Yanfei <zhangyanfei@xxxxxxxxxxxxxx>
Cc: Johannes Weiner <hannes@xxxxxxxxxxx>
Cc: Mel Gorman <mel@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/vmalloc.c | 3 ---
1 file changed, 3 deletions(-)
diff -puN mm/vmalloc.c~mm-vmallocc-remove-alloc_map-from-vmap_block mm/vmalloc.c
--- a/mm/vmalloc.c~mm-vmallocc-remove-alloc_map-from-vmap_block
+++ a/mm/vmalloc.c
@@ -754,7 +754,6 @@ struct vmap_block {
struct vmap_area *va;
struct vmap_block_queue *vbq;
unsigned long free, dirty;
- DECLARE_BITMAP(alloc_map, VMAP_BBMAP_BITS);
DECLARE_BITMAP(dirty_map, VMAP_BBMAP_BITS);
struct list_head free_list;
struct rcu_head rcu_head;
@@ -820,7 +819,6 @@ static struct vmap_block *new_vmap_block
vb->va = va;
vb->free = VMAP_BBMAP_BITS;
vb->dirty = 0;
- bitmap_zero(vb->alloc_map, VMAP_BBMAP_BITS);
bitmap_zero(vb->dirty_map, VMAP_BBMAP_BITS);
INIT_LIST_HEAD(&vb->free_list);
@@ -873,7 +871,6 @@ static void purge_fragmented_blocks(int
if (vb->free + vb->dirty == VMAP_BBMAP_BITS && vb->dirty != VMAP_BBMAP_BITS) {
vb->free = 0; /* prevent further allocs after releasing lock */
vb->dirty = VMAP_BBMAP_BITS; /* prevent purging it again */
- bitmap_fill(vb->alloc_map, VMAP_BBMAP_BITS);
bitmap_fill(vb->dirty_map, VMAP_BBMAP_BITS);
spin_lock(&vbq->lock);
list_del_rcu(&vb->free_list);
_
Patches currently in -mm which might be from zhangyanfei@xxxxxxxxxxxxxx are
linux-next.patch
vmcore-clean-up-read_vmcore.patch
vmcore-allocate-buffer-for-elf-headers-on-page-size-alignment.patch
vmcore-allocate-buffer-for-elf-headers-on-page-size-alignment-fix.patch
vmcore-treat-memory-chunks-referenced-by-pt_load-program-header-entries-in-page-size-boundary-in-vmcore_list.patch
vmalloc-make-find_vm_area-check-in-range.patch
vmalloc-introduce-remap_vmalloc_range_partial.patch
vmalloc-introduce-remap_vmalloc_range_partial-fix.patch
vmcore-allocate-elf-note-segment-in-the-2nd-kernel-vmalloc-memory.patch
vmcore-allocate-elf-note-segment-in-the-2nd-kernel-vmalloc-memory-fix.patch
vmcore-allow-user-process-to-remap-elf-note-segment-buffer.patch
vmcore-allow-user-process-to-remap-elf-note-segment-buffer-fix.patch
vmcore-calculate-vmcore-file-size-from-buffer-size-and-total-size-of-vmcore-objects.patch
vmcore-support-mmap-on-proc-vmcore.patch
vmcore-support-mmap-on-proc-vmcore-fix.patch
vmcore-support-mmap-on-proc-vmcore-fix-2.patch
mm-ia64-prepare-for-removing-num_physpages-and-simplify-mem_init.patch
mm-vmalloc-only-call-setup_vmalloc_vm-only-in-__get_vm_area_node.patch
mm-vmalloc-call-setup_vmalloc_vm-instead-of-insert_vmalloc_vm.patch
mm-vmalloc-remove-insert_vmalloc_vm.patch
mm-vmalloc-use-clamp-to-simplify-code.patch
mm-remove-duplicated-call-of-get_pfn_range_for_nid.patch
mm-vmallocc-unbreak-__vunmap.patch
mm-vmallocc-remove-dead-code-in-vb_alloc.patch
mm-vmallocc-remove-unused-purge_fragmented_blocks_thiscpu.patch
mm-vmallocc-remove-alloc_map-from-vmap_block.patch
dev-oldmem-remove-the-interface.patch
dev-oldmem-remove-the-interface-fix.patch
documentation-kdump-kdumptxt-remove-dev-oldmem-description.patch
mips-remove-savemaxmem-parameter-setup.patch
powerpc-remove-savemaxmem-parameter-setup.patch
ia64-remove-setting-for-saved_max_pfn.patch
s390-remove-setting-for-saved_max_pfn.patch
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