+ selftests-mm-run_vmtestssh-add-hugetlb_madv_vs_map.patch added to mm-hotfixes-unstable branch

+ selftests-mm-run_vmtestssh-add-hugetlb_madv_vs_map.patch added to mm-hotfixes-unstable branch

[Andrew Morton]

The patch titled
     Subject: selftests/mm: run_vmtests.sh: add hugetlb_madv_vs_map
has been added to the -mm mm-hotfixes-unstable branch.  Its filename is
     selftests-mm-run_vmtestssh-add-hugetlb_madv_vs_map.patch

This patch will shortly appear at
     https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/selftests-mm-run_vmtestssh-add-hugetlb_madv_vs_map.patch

This patch will later appear in the mm-hotfixes-unstable branch at
    git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

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*** Remember to use Documentation/process/submit-checklist.rst when testing your code ***

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------------------------------------------------------
From: Breno Leitao <leitao@debian.org>
Subject: selftests/mm: run_vmtests.sh: add hugetlb_madv_vs_map
Date: Wed, 17 Jan 2024 09:10:58 -0800

hugetlb_madv_vs_map selftest was not part of the mm test-suite since we
didn't have a fix for the problem it found.

Now that the problem is already fixed (see previous commit), let's
enable this selftest in the default test-suite.

Link: https://lkml.kernel.org/r/20240117171058.2192286-2-leitao@debian.org
Signed-off-by: Breno Leitao <leitao@debian.org>
Cc: Lorenzo Stoakes <lstoakes@gmail.com>
Cc: Matthew Wilcox (Oracle) <willy@infradead.org>
Cc: Muchun Song <muchun.song@linux.dev>
Cc: Rik van Riel <riel@surriel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 tools/testing/selftests/mm/run_vmtests.sh |    1 +
 1 file changed, 1 insertion(+)

--- a/tools/testing/selftests/mm/run_vmtests.sh~selftests-mm-run_vmtestssh-add-hugetlb_madv_vs_map
+++ a/tools/testing/selftests/mm/run_vmtests.sh
@@ -253,6 +253,7 @@ nr_hugepages_tmp=$(cat /proc/sys/vm/nr_h
 # For this test, we need one and just one huge page
 echo 1 > /proc/sys/vm/nr_hugepages
 CATEGORY="hugetlb" run_test ./hugetlb_fault_after_madv
+CATEGORY="hugetlb" run_test ./hugetlb_madv_vs_map
 # Restore the previous number of huge pages, since further tests rely on it
 echo "$nr_hugepages_tmp" > /proc/sys/vm/nr_hugepages
 
_

Patches currently in -mm which might be from leitao@debian.org are

mm-hugetlb-restore-the-reservation-if-needed.patch
selftests-mm-run_vmtestssh-add-hugetlb_madv_vs_map.patch
selftests-mm-new-test-that-steals-pages.patch