linux-kernel - [RFC v7 1/7] mm/madvise: Export do_madvise() to external GPL modules

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Date:   Wed, 29 Apr 2020 14:45:34 +0200
From:   SeongJae Park <sjpark@...zon.com>
To:     <akpm@...ux-foundation.org>
CC:     SeongJae Park <sjpark@...zon.de>, <Jonathan.Cameron@...wei.com>,
        <aarcange@...hat.com>, <acme@...nel.org>,
        <alexander.shishkin@...ux.intel.com>, <amit@...nel.org>,
        <benh@...nel.crashing.org>, <brendan.d.gregg@...il.com>,
        <brendanhiggins@...gle.com>, <cai@....pw>,
        <colin.king@...onical.com>, <corbet@....net>, <dwmw@...zon.com>,
        <irogers@...gle.com>, <jolsa@...hat.com>, <kirill@...temov.name>,
        <mark.rutland@....com>, <mgorman@...e.de>, <minchan@...nel.org>,
        <mingo@...hat.com>, <namhyung@...nel.org>, <peterz@...radead.org>,
        <rdunlap@...radead.org>, <riel@...riel.com>, <rientjes@...gle.com>,
        <rostedt@...dmis.org>, <sblbir@...zon.com>, <shakeelb@...gle.com>,
        <shuah@...nel.org>, <sj38.park@...il.com>, <snu@...zon.de>,
        <vbabka@...e.cz>, <vdavydov.dev@...il.com>,
        <yang.shi@...ux.alibaba.com>, <ying.huang@...el.com>,
        <linux-damon@...zon.com>, <linux-mm@...ck.org>,
        <linux-doc@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: [RFC v7 1/7] mm/madvise: Export do_madvise() to external GPL modules

From: SeongJae Park <sjpark@...zon.de>

This commit exports 'do_madvise()' to external GPL modules, so that
other modules including DAMON could use the function.

Signed-off-by: SeongJae Park <sjpark@...zon.de>
---
 mm/madvise.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/mm/madvise.c b/mm/madvise.c
index 80f8a1839f70..151aaf285cdd 100644
--- a/mm/madvise.c
+++ b/mm/madvise.c
@@ -1151,6 +1151,7 @@ int do_madvise(struct task_struct *target_task, struct mm_struct *mm,
 
 	return error;
 }
+EXPORT_SYMBOL_GPL(do_madvise);
 
 SYSCALL_DEFINE3(madvise, unsigned long, start, size_t, len_in, int, behavior)
 {
-- 
2.17.1