Subject: + mm-kill-global-variable-num_physpages.patch added to -mm tree
To: liuj97@xxxxxxxxx,hughd@xxxxxxxxxx,jiang.liu@xxxxxxxxxx,khlebnikov@xxxxxxxxxx,mgorman@xxxxxxx,riel@xxxxxxxxxx,rientjes@xxxxxxxxxx,viro@xxxxxxxxxxxxxxxxxx,walken@xxxxxxxxxx
From: akpm@xxxxxxxxxxxxxxxxxxxx
Date: Fri, 31 May 2013 13:33:06 -0700
The patch titled
Subject: mm: kill global variable num_physpages
has been added to the -mm tree. Its filename is
mm-kill-global-variable-num_physpages.patch
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------------------------------------------------------
From: Jiang Liu <liuj97@xxxxxxxxx>
Subject: mm: kill global variable num_physpages
Now all references to num_physpages have been removed, so kill it.
Signed-off-by: Jiang Liu <jiang.liu@xxxxxxxxxx>
Cc: Mel Gorman <mgorman@xxxxxxx>
Cc: Michel Lespinasse <walken@xxxxxxxxxx>
Cc: Rik van Riel <riel@xxxxxxxxxx>
Cc: Jiang Liu <jiang.liu@xxxxxxxxxx>
Cc: Hugh Dickins <hughd@xxxxxxxxxx>
Cc: David Rientjes <rientjes@xxxxxxxxxx>
Cc: Al Viro <viro@xxxxxxxxxxxxxxxxxx>
Cc: Konstantin Khlebnikov <khlebnikov@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
include/linux/mm.h | 1 -
mm/memory.c | 2 --
mm/nommu.c | 2 --
3 files changed, 5 deletions(-)
diff -puN include/linux/mm.h~mm-kill-global-variable-num_physpages include/linux/mm.h
--- a/include/linux/mm.h~mm-kill-global-variable-num_physpages
+++ a/include/linux/mm.h
@@ -29,7 +29,6 @@ struct writeback_control;
extern unsigned long max_mapnr;
#endif
-extern unsigned long num_physpages;
extern unsigned long totalram_pages;
extern void * high_memory;
extern int page_cluster;
diff -puN mm/memory.c~mm-kill-global-variable-num_physpages mm/memory.c
--- a/mm/memory.c~mm-kill-global-variable-num_physpages
+++ a/mm/memory.c
@@ -82,7 +82,6 @@ EXPORT_SYMBOL(max_mapnr);
EXPORT_SYMBOL(mem_map);
#endif
-unsigned long num_physpages;
/*
* A number of key systems in x86 including ioremap() rely on the assumption
* that high_memory defines the upper bound on direct map memory, then end
@@ -92,7 +91,6 @@ unsigned long num_physpages;
*/
void * high_memory;
-EXPORT_SYMBOL(num_physpages);
EXPORT_SYMBOL(high_memory);
/*
diff -puN mm/nommu.c~mm-kill-global-variable-num_physpages mm/nommu.c
--- a/mm/nommu.c~mm-kill-global-variable-num_physpages
+++ a/mm/nommu.c
@@ -56,7 +56,6 @@
void *high_memory;
struct page *mem_map;
unsigned long max_mapnr;
-unsigned long num_physpages;
unsigned long highest_memmap_pfn;
struct percpu_counter vm_committed_as;
int sysctl_overcommit_memory = OVERCOMMIT_GUESS; /* heuristic overcommit */
@@ -85,7 +84,6 @@ unsigned long vm_memory_committed(void)
EXPORT_SYMBOL_GPL(vm_memory_committed);
EXPORT_SYMBOL(mem_map);
-EXPORT_SYMBOL(num_physpages);
/* list of mapped, potentially shareable regions */
static struct kmem_cache *vm_region_jar;
_
Patches currently in -mm which might be from liuj97@xxxxxxxxx are
linux-next.patch
mm-change-signature-of-free_reserved_area-to-fix-building-warnings.patch
mm-enhance-free_reserved_area-to-support-poisoning-memory-with-zero.patch
mm-arm64-kill-poison_init_mem.patch
mm-x86-use-free_reserved_area-to-simplify-code.patch
mm-tile-use-common-help-functions-to-free-reserved-pages.patch
mm-fix-some-trivial-typos-in-comments.patch
mm-use-managed_pages-to-calculate-default-zonelist-order.patch
mm-accurately-calculate-zone-managed_pages-for-highmem-zones.patch
mm-use-a-dedicated-lock-to-protect-totalram_pages-and-zone-managed_pages.patch
mm-make-__free_pages_bootmem-only-available-at-boot-time.patch
mm-correctly-update-zone-managed_pages.patch
mm-correctly-update-zone-managed_pages-fix.patch
mm-concentrate-modification-of-totalram_pages-into-the-mm-core.patch
mm-report-available-pages-as-memtotal-for-each-numa-node.patch
vmlinuxlds-add-comments-for-global-variables-and-clean-up-useless-declarations.patch
avr32-normalize-global-variables-exported-by-vmlinuxlds.patch
c6x-normalize-global-variables-exported-by-vmlinuxlds.patch
h8300-normalize-global-variables-exported-by-vmlinuxlds.patch
score-normalize-global-variables-exported-by-vmlinuxlds.patch
tile-normalize-global-variables-exported-by-vmlinuxlds.patch
uml-normalize-global-variables-exported-by-vmlinuxlds.patch
mm-introduce-helper-function-mem_init_print_info-to-simplify-mem_init.patch
mm-use-totalram_pages-instead-of-num_physpages-at-runtime.patch
mm-hotplug-prepare-for-removing-num_physpages.patch
mm-alpha-prepare-for-removing-num_physpages-and-simplify-mem_init.patch
mm-arc-prepare-for-removing-num_physpages-and-simplify-mem_init.patch
mm-arm-prepare-for-removing-num_physpages-and-simplify-mem_init.patch
mm-arm64-prepare-for-removing-num_physpages-and-simplify-mem_init.patch
mm-avr32-prepare-for-removing-num_physpages-and-simplify-mem_init.patch
mm-blackfin-prepare-for-removing-num_physpages-and-simplify-mem_init.patch
mm-c6x-prepare-for-removing-num_physpages-and-simplify-mem_init.patch
mm-cris-prepare-for-removing-num_physpages-and-simplify-mem_init.patch
mm-frv-prepare-for-removing-num_physpages-and-simplify-mem_init.patch
mm-h8300-prepare-for-removing-num_physpages-and-simplify-mem_init.patch
mm-hexagon-prepare-for-removing-num_physpages-and-simplify-mem_init.patch
mm-ia64-prepare-for-removing-num_physpages-and-simplify-mem_init.patch
mm-m32r-prepare-for-removing-num_physpages-and-simplify-mem_init.patch
mm-m68k-prepare-for-removing-num_physpages-and-simplify-mem_init.patch
mm-metag-prepare-for-removing-num_physpages-and-simplify-mem_init.patch
mm-microblaze-prepare-for-removing-num_physpages-and-simplify-mem_init.patch
mm-mips-prepare-for-removing-num_physpages-and-simplify-mem_init.patch
mm-mn10300-prepare-for-removing-num_physpages-and-simplify-mem_init.patch
mm-openrisc-prepare-for-removing-num_physpages-and-simplify-mem_init.patch
mm-parisc-prepare-for-removing-num_physpages-and-simplify-mem_init.patch
mm-ppc-prepare-for-removing-num_physpages-and-simplify-mem_init.patch
mm-s390-prepare-for-removing-num_physpages-and-simplify-mem_init.patch
mm-score-prepare-for-removing-num_physpages-and-simplify-mem_init.patch
mm-sh-prepare-for-removing-num_physpages-and-simplify-mem_init.patch
mm-sparc-prepare-for-removing-num_physpages-and-simplify-mem_init.patch
mm-tile-prepare-for-removing-num_physpages-and-simplify-mem_init.patch
mm-um-prepare-for-removing-num_physpages-and-simplify-mem_init.patch
mm-unicore32-prepare-for-removing-num_physpages-and-simplify-mem_init.patch
mm-x86-prepare-for-removing-num_physpages-and-simplify-mem_init.patch
mm-xtensa-prepare-for-removing-num_physpages-and-simplify-mem_init.patch
mm-kill-global-variable-num_physpages.patch
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