From 65c453778aea374a46597f4d9826274d1eaf7338 Mon Sep 17 00:00:00 2001 From: "Kirill A. Shutemov" Date: Tue, 26 Jul 2016 15:26:10 -0700 Subject: mm, rmap: account shmem thp pages Let's add ShmemHugePages and ShmemPmdMapped fields into meminfo and smaps. It indicates how many times we allocate and map shmem THP. NR_ANON_TRANSPARENT_HUGEPAGES is renamed to NR_ANON_THPS. Link: http://lkml.kernel.org/r/1466021202-61880-27-git-send-email-kirill.shutemov@linux.intel.com Signed-off-by: Kirill A. Shutemov Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- fs/proc/meminfo.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) (limited to 'fs/proc/meminfo.c') diff --git a/fs/proc/meminfo.c b/fs/proc/meminfo.c index 8372046..cf301a9 100644 --- a/fs/proc/meminfo.c +++ b/fs/proc/meminfo.c @@ -105,6 +105,8 @@ static int meminfo_proc_show(struct seq_file *m, void *v) #endif #ifdef CONFIG_TRANSPARENT_HUGEPAGE "AnonHugePages: %8lu kB\n" + "ShmemHugePages: %8lu kB\n" + "ShmemPmdMapped: %8lu kB\n" #endif #ifdef CONFIG_CMA "CmaTotal: %8lu kB\n" @@ -162,8 +164,9 @@ static int meminfo_proc_show(struct seq_file *m, void *v) , atomic_long_read(&num_poisoned_pages) << (PAGE_SHIFT - 10) #endif #ifdef CONFIG_TRANSPARENT_HUGEPAGE - , K(global_page_state(NR_ANON_TRANSPARENT_HUGEPAGES) * - HPAGE_PMD_NR) + , K(global_page_state(NR_ANON_THPS) * HPAGE_PMD_NR) + , K(global_page_state(NR_SHMEM_THPS) * HPAGE_PMD_NR) + , K(global_page_state(NR_SHMEM_PMDMAPPED) * HPAGE_PMD_NR) #endif #ifdef CONFIG_CMA , K(totalcma_pages) -- cgit v1.1