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author | Kefeng Wang <wangkefeng.wang@huawei.com> | 2023-05-16 14:38:12 +0800 |
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committer | Andrew Morton <akpm@linux-foundation.org> | 2023-06-09 16:25:22 -0700 |
commit | e9aae1709264b2353d67d4846bd617c445a49fe0 (patch) | |
tree | 92f6873cb732549b852413183c5c96c0faa8aff8 /lib/show_mem.c | |
parent | 904d58578fce531be07619a2bc2cdc16c9fd49b6 (diff) | |
download | lwn-e9aae1709264b2353d67d4846bd617c445a49fe0.tar.gz lwn-e9aae1709264b2353d67d4846bd617c445a49fe0.zip |
mm: page_alloc: collect mem statistic into show_mem.c
Let's move show_mem.c from lib to mm, as it belongs memory subsystem, also
split some memory statistic related functions from page_alloc.c to
show_mem.c, and we cleanup some unneeded include.
There is no functional change.
Link: https://lkml.kernel.org/r/20230516063821.121844-5-wangkefeng.wang@huawei.com
Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
Cc: David Hildenbrand <david@redhat.com>
Cc: "Huang, Ying" <ying.huang@intel.com>
Cc: Iurii Zaikin <yzaikin@google.com>
Cc: Kees Cook <keescook@chromium.org>
Cc: Len Brown <len.brown@intel.com>
Cc: Luis Chamberlain <mcgrof@kernel.org>
Cc: Mike Rapoport (IBM) <rppt@kernel.org>
Cc: Oscar Salvador <osalvador@suse.de>
Cc: Pavel Machek <pavel@ucw.cz>
Cc: Rafael J. Wysocki <rafael@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'lib/show_mem.c')
-rw-r--r-- | lib/show_mem.c | 37 |
1 files changed, 0 insertions, 37 deletions
diff --git a/lib/show_mem.c b/lib/show_mem.c deleted file mode 100644 index 1485c87be935..000000000000 --- a/lib/show_mem.c +++ /dev/null @@ -1,37 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only -/* - * Generic show_mem() implementation - * - * Copyright (C) 2008 Johannes Weiner <hannes@saeurebad.de> - */ - -#include <linux/mm.h> -#include <linux/cma.h> - -void __show_mem(unsigned int filter, nodemask_t *nodemask, int max_zone_idx) -{ - unsigned long total = 0, reserved = 0, highmem = 0; - struct zone *zone; - - printk("Mem-Info:\n"); - __show_free_areas(filter, nodemask, max_zone_idx); - - for_each_populated_zone(zone) { - - total += zone->present_pages; - reserved += zone->present_pages - zone_managed_pages(zone); - - if (is_highmem(zone)) - highmem += zone->present_pages; - } - - printk("%lu pages RAM\n", total); - printk("%lu pages HighMem/MovableOnly\n", highmem); - printk("%lu pages reserved\n", reserved); -#ifdef CONFIG_CMA - printk("%lu pages cma reserved\n", totalcma_pages); -#endif -#ifdef CONFIG_MEMORY_FAILURE - printk("%lu pages hwpoisoned\n", atomic_long_read(&num_poisoned_pages)); -#endif -} |