Linux-mm Archive on lore.kernel.org
 help / color / Atom feed
From: SeongJae Park <sjpark@amazon.com>
To: <akpm@linux-foundation.org>
Cc: SeongJae Park <sjpark@amazon.de>, <aarcange@redhat.com>,
	<acme@kernel.org>, <alexander.shishkin@linux.intel.com>,
	<amit@kernel.org>, <brendan.d.gregg@gmail.com>,
	<brendanhiggins@google.com>, <cai@lca.pw>,
	<colin.king@canonical.com>, <corbet@lwn.net>, <dwmw@amazon.com>,
	<jolsa@redhat.com>, <kirill@shutemov.name>,
	<mark.rutland@arm.com>, <mgorman@suse.de>, <minchan@kernel.org>,
	<mingo@redhat.com>, <namhyung@kernel.org>, <peterz@infradead.org>,
	<rdunlap@infradead.org>, <riel@surriel.com>,
	<rientjes@google.com>, <rostedt@goodmis.org>, <shuah@kernel.org>,
	<sj38.park@gmail.com>, <vbabka@suse.cz>, <vdavydov.dev@gmail.com>,
	<yang.shi@linux.alibaba.com>, <ying.huang@intel.com>,
	<linux-mm@kvack.org>, <linux-doc@vger.kernel.org>,
	<linux-kernel@vger.kernel.org>
Subject: [RFC v4 1/7] mm/madvise: Export madvise_common() to mm internal code
Date: Tue, 3 Mar 2020 13:14:00 +0100
Message-ID: <20200303121406.20954-2-sjpark@amazon.com> (raw)
In-Reply-To: <20200303121406.20954-1-sjpark@amazon.com>

From: SeongJae Park <sjpark@amazon.de>

This commit exports ``madvise_common()`` to ``mm/`` code for future
reuse.

Signed-off-by: SeongJae Park <sjpark@amazon.de>
---
 mm/internal.h | 4 ++++
 mm/madvise.c  | 3 ++-
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/mm/internal.h b/mm/internal.h
index 3cf20ab3ca01..dcdfe00e02ff 100644
--- a/mm/internal.h
+++ b/mm/internal.h
@@ -576,4 +576,8 @@ static inline bool is_migrate_highatomic_page(struct page *page)
 
 void setup_zone_pageset(struct zone *zone);
 extern struct page *alloc_new_node_page(struct page *page, unsigned long node);
+
+
+int madvise_common(struct task_struct *task, struct mm_struct *mm,
+			unsigned long start, size_t len_in, int behavior);
 #endif	/* __MM_INTERNAL_H */
diff --git a/mm/madvise.c b/mm/madvise.c
index 0c901de531e4..4fa9dfc770bc 100644
--- a/mm/madvise.c
+++ b/mm/madvise.c
@@ -1005,7 +1005,7 @@ madvise_behavior_valid(int behavior)
  * @task could be a zombie leader if it calls sys_exit so accessing mm_struct
  * via task->mm is prohibited. Please use @mm instead of task->mm.
  */
-static int madvise_common(struct task_struct *task, struct mm_struct *mm,
+int madvise_common(struct task_struct *task, struct mm_struct *mm,
 			unsigned long start, size_t len_in, int behavior)
 {
 	unsigned long end, tmp;
@@ -1103,6 +1103,7 @@ static int madvise_common(struct task_struct *task, struct mm_struct *mm,
 
 	return error;
 }
+EXPORT_SYMBOL_GPL(madvise_common);
 
 /*
  * The madvise(2) system call.
-- 
2.17.1



  reply index

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-03-03 12:13 [RFC v4 0/7] Implement Data Access Monitoring-based Memory Operation Schemes SeongJae Park
2020-03-03 12:14 ` SeongJae Park [this message]
2020-03-03 12:14 ` [RFC v4 2/7] mm/damon: Account age of target regions SeongJae Park
2020-03-04 15:21   ` Rik van Riel
2020-03-04 16:07     ` SeongJae Park
2020-03-03 12:14 ` [RFC v4 3/7] mm/damon: Implement data access monitoring-based operation schemes SeongJae Park
2020-03-03 12:14 ` [RFC v4 4/7] mm/damon/schemes: Implement a debugfs interface SeongJae Park
2020-03-03 12:14 ` [RFC v4 5/7] mm/damon-test: Add kunit test case for regions age accounting SeongJae Park
2020-03-03 12:14 ` [RFC v4 6/7] mm/damon/selftests: Add 'schemes' debugfs tests SeongJae Park
2020-03-03 12:14 ` [RFC v4 7/7] damon/tools: Support more human friendly 'schemes' control SeongJae Park

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20200303121406.20954-2-sjpark@amazon.com \
    --to=sjpark@amazon.com \
    --cc=aarcange@redhat.com \
    --cc=acme@kernel.org \
    --cc=akpm@linux-foundation.org \
    --cc=alexander.shishkin@linux.intel.com \
    --cc=amit@kernel.org \
    --cc=brendan.d.gregg@gmail.com \
    --cc=brendanhiggins@google.com \
    --cc=cai@lca.pw \
    --cc=colin.king@canonical.com \
    --cc=corbet@lwn.net \
    --cc=dwmw@amazon.com \
    --cc=jolsa@redhat.com \
    --cc=kirill@shutemov.name \
    --cc=linux-doc@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-mm@kvack.org \
    --cc=mark.rutland@arm.com \
    --cc=mgorman@suse.de \
    --cc=minchan@kernel.org \
    --cc=mingo@redhat.com \
    --cc=namhyung@kernel.org \
    --cc=peterz@infradead.org \
    --cc=rdunlap@infradead.org \
    --cc=riel@surriel.com \
    --cc=rientjes@google.com \
    --cc=rostedt@goodmis.org \
    --cc=shuah@kernel.org \
    --cc=sj38.park@gmail.com \
    --cc=sjpark@amazon.de \
    --cc=vbabka@suse.cz \
    --cc=vdavydov.dev@gmail.com \
    --cc=yang.shi@linux.alibaba.com \
    --cc=ying.huang@intel.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link

Linux-mm Archive on lore.kernel.org

Archives are clonable:
	git clone --mirror https://lore.kernel.org/linux-mm/0 linux-mm/git/0.git

	# If you have public-inbox 1.1+ installed, you may
	# initialize and index your mirror using the following commands:
	public-inbox-init -V2 linux-mm linux-mm/ https://lore.kernel.org/linux-mm \
		linux-mm@kvack.org
	public-inbox-index linux-mm

Example config snippet for mirrors

Newsgroup available over NNTP:
	nntp://nntp.lore.kernel.org/org.kvack.linux-mm


AGPL code for this site: git clone https://public-inbox.org/public-inbox.git