The patch titled
lib: generic show_mem()
has been added to the -mm tree. Its filename is
lib-generic-show_mem.patch
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------------------------------------------------------
Subject: lib: generic show_mem()
From: Johannes Weiner <hannes@xxxxxxxxxxxx>
This implements a platform-independent version of show_mem().
Signed-off-by: Johannes Weiner <hannes@xxxxxxxxxxxx>
Cc: Richard Henderson <rth@xxxxxxxxxxx>
Cc: Ivan Kokshaysky <ink@xxxxxxxxxxxxxxxxxxxx>
Cc: Haavard Skinnemoen <hskinnemoen@xxxxxxxxx>
Cc: Bryan Wu <cooloney@xxxxxxxxxx>
Cc: Chris Zankel <chris@xxxxxxxxxx>
Cc: Ingo Molnar <mingo@xxxxxxx>
Cc: Jeff Dike <jdike@xxxxxxxxxxx>
Cc: David S. Miller <davem@xxxxxxxxxxxxx>
Cc: Paul Mundt <lethal@xxxxxxxxxxxx>
Cc: Heiko Carstens <heiko.carstens@xxxxxxxxxx>
Cc: Martin Schwidefsky <schwidefsky@xxxxxxxxxx>
Cc: David Howells <dhowells@xxxxxxxxxx>
Cc: Benjamin Herrenschmidt <benh@xxxxxxxxxxxxxxxxxxx>
Cc: Paul Mackerras <paulus@xxxxxxxxx>
Cc: Yoshinori Sato <ysato@xxxxxxxxxxxxxxxxxxxx>
Cc: Ralf Baechle <ralf@xxxxxxxxxxxxxx>
Cc: Greg Ungerer <gerg@xxxxxxxxxxx>
Cc: Geert Uytterhoeven <geert@xxxxxxxxxxxxxx>
Cc: Roman Zippel <zippel@xxxxxxxxxxxxxx>
Cc: Hirokazu Takata <takata@xxxxxxxxxxxxxx>
Cc: Mikael Starvik <starvik@xxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
lib/Makefile | 2 -
lib/show_mem.c | 63 +++++++++++++++++++++++++++++++++++++++++++++++
2 files changed, 64 insertions(+), 1 deletion(-)
diff -puN lib/Makefile~lib-generic-show_mem lib/Makefile
--- a/lib/Makefile~lib-generic-show_mem
+++ a/lib/Makefile
@@ -11,7 +11,7 @@ lib-y := ctype.o string.o vsprintf.o cmd
rbtree.o radix-tree.o dump_stack.o \
idr.o int_sqrt.o extable.o prio_tree.o \
sha1.o irq_regs.o reciprocal_div.o argv_split.o \
- proportions.o prio_heap.o ratelimit.o
+ proportions.o prio_heap.o ratelimit.o show_mem.o
lib-$(CONFIG_MMU) += ioremap.o
lib-$(CONFIG_SMP) += cpumask.o
diff -puN /dev/null lib/show_mem.c
--- /dev/null
+++ a/lib/show_mem.c
@@ -0,0 +1,63 @@
+/*
+ * Generic show_mem() implementation
+ *
+ * Copyright (C) 2008 Johannes Weiner <hannes@xxxxxxxxxxxx>
+ * All code subject to the GPL version 2.
+ */
+
+#include <linux/mm.h>
+#include <linux/nmi.h>
+#include <linux/quicklist.h>
+
+void show_mem(void)
+{
+ pg_data_t *pgdat;
+ unsigned long total = 0, reserved = 0, shared = 0,
+ nonshared = 0, highmem = 0;
+
+ printk(KERN_INFO "Mem-Info:\n");
+ show_free_areas();
+
+ for_each_online_pgdat(pgdat) {
+ unsigned long i, flags;
+
+ pgdat_resize_lock(pgdat, &flags);
+ for (i = 0; i < pgdat->node_spanned_pages; i++) {
+ struct page *page;
+ unsigned long pfn = pgdat->node_start_pfn + i;
+
+ if (unlikely(!(i % MAX_ORDER_NR_PAGES)))
+ touch_nmi_watchdog();
+
+ if (!pfn_valid(pfn))
+ continue;
+
+ page = pfn_to_page(pfn);
+
+ if (PageHighMem(page))
+ highmem++;
+
+ if (PageReserved(page))
+ reserved++;
+ else if (page_count(page) == 1)
+ nonshared++;
+ else if (page_count(page) > 1)
+ shared += page_count(page) - 1;
+
+ total++;
+ }
+ pgdat_resize_unlock(pgdat, &flags);
+ }
+
+ printk(KERN_INFO "%lu pages RAM\n", total);
+#ifdef CONFIG_HIGHMEM
+ printk(KERN_INFO "%lu pages HighMem\n", highmem);
+#endif
+ printk(KERN_INFO "%lu pages reserved\n", reserved);
+ printk(KERN_INFO "%lu pages shared\n", shared);
+ printk(KERN_INFO "%lu pages non-shared\n", nonshared);
+#ifdef CONFIG_QUICKLIST
+ printk(KERN_INFO "%lu pages in pagetable cache\n",
+ quicklist_total_size());
+#endif
+}
_
Patches currently in -mm which might be from hannes@xxxxxxxxxxxx are
origin.patch
linux-next.patch
git-xtensa.patch
mm-move-bootmem-descriptors-definition-to-a-single-place.patch
mm-fix-free_all_bootmem_core-alignment-check.patch
mm-normalize-internal-argument-passing-of-bootmem-data.patch
mm-unexport-__alloc_bootmem_core.patch
mm-drop-unneeded-pgdat-argument-from-free_area_init_node.patch
hugetlb-guarantee-that-cow-faults-for-a-process-that-called-mmapmap_private-on-hugetlbfs-will-succeed-fix.patch
huge-page-private-reservation-review-cleanups.patch
huge-page-private-reservation-review-cleanups-fix.patch
mm-record-map_noreserve-status-on-vmas-and-fix-small-page-mprotect-reservations.patch
hugetlb-move-reservation-region-support-earlier.patch
hugetlb-allow-huge-page-mappings-to-be-created-without-reservations.patch
hugetlb-allow-huge-page-mappings-to-be-created-without-reservations-cleanups.patch
hugetlb-reservations-fix-hugetlb-map_private-reservations-across-vma-splits-v2.patch
vma-page-offset-has-no-callees-drop-it.patch
hugetlb-fix-race-when-reading-proc-meminfo.patch
hugetlb-quota-is-not-freed-for-unused-reserved-private-huge-pages.patch
linux-next-revert-bootmem-add-return-value-to-reserve_bootmem_node.patch
bootmem-reorder-code-to-match-new-bootmem-structure.patch
revert-linux-next-revert-bootmem-add-return-value-to-reserve_bootmem_node.patch
bootmem-clean-up-bootmemc-file-header.patch
revert-revert-linux-next-revert-bootmem-add-return-value-to-reserve_bootmem_node.patch
bootmem-add-documentation-to-api-functions.patch
revert-revert-revert-linux-next-revert-bootmem-add-return-value-to-reserve_bootmem_node.patch
bootmem-add-debugging-framework.patch
bootmem-add-debugging-framework-fix.patch
bootmem-revisit-bitmap-size-calculations.patch
bootmem-revisit-bootmem-descriptor-list-handling.patch
bootmem-clean-up-free_all_bootmem_core.patch
bootmem-clean-up-free_all_bootmem_core-fix.patch
bootmem-clean-up-alloc_bootmem_core.patch
bootmem-clean-up-alloc_bootmem_core-fix-new-alloc_bootmem_core.patch
bootmem-free-reserve-helpers.patch
bootmem-free-reserve-helpers-fix.patch
revert-revert-revert-revert-linux-next-revert-bootmem-add-return-value-to-reserve_bootmem_node.patch
bootmem-factor-out-the-marking-of-a-pfn-range.patch
bootmem-factor-out-the-marking-of-a-pfn-range-fix.patch
bootmem-respect-goal-more-likely.patch
bootmem-make-__alloc_bootmem_low_node-fall-back-to-other-nodes.patch
bootmem-revisit-alloc_bootmem_section.patch
bootmem-replace-node_boot_start-in-struct-bootmem_data.patch
bootmem-replace-node_boot_start-in-struct-bootmem_data-fix.patch
memory-hotplug-small-fixes-to-bootmem-freeing-for-memory-hotremove.patch
documentation-update-codingstyle-tips-for-emacs-users-v2.patch
mm-more-likely-reclaim-madv_sequential-mappings.patch
mm-print-swapcache-page-count-in-show_swap_cache_info.patch
lib-generic-show_mem.patch
alpha-use-generic-show_mem.patch
avr32-use-generic-show_mem.patch
blackfin-use-generic-show_mem.patch
xtensa-use-generic-show_mem.patch
x86-use-generic-show_mem.patch
um-use-generic-show_mem.patch
sparc64-use-generic-show_mem.patch
sh-use-generic-show_mem.patch
s390-use-generic-show_mem.patch
powerpc-use-generic-show_mem.patch
mn10300-use-generic-show_mem.patch
h8300-use-generic-show_mem.patch
mips-use-generic-show_mem.patch
m68knommu-use-generic-show_mem.patch
m68k-use-generic-show_mem.patch
m32r-use-generic-show_mem.patch
frv-use-generic-show_mem.patch
cris-use-generic-show_mem.patch
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