+ selftests-mm-drop-redundant-open-in-mprotect_tests.patch added to mm-unstable branch

The patch titled
     Subject: selftests/mm: drop redundant open() in mprotect_tests()
has been added to the -mm mm-unstable branch.  Its filename is
     selftests-mm-drop-redundant-open-in-mprotect_tests.patch

This patch will shortly appear at
     https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/selftests-mm-drop-redundant-open-in-mprotect_tests.patch

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

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------------------------------------------------------
From: Hongfu Li <[email protected]>
Subject: selftests/mm: drop redundant open() in mprotect_tests()
Date: Mon, 17 Aug 2026 16:06:16 +0800

Remove duplicate open() for local pagemap_fd in mprotect_tests() that
shadows the global pagemap_fd already opened in main().  The local fd is
never used in the function.

Link: https://lore.kernel.org/[email protected]
Signed-off-by: Hongfu Li <[email protected]>
Reviewed-by: Lorenzo Stoakes (ARM) <[email protected]>
Reviewed-by: Muhammad Usama Anjum <[email protected]>
Cc: David Hildenbrand <[email protected]>
Cc: Liam R. Howlett <[email protected]>
Cc: Michal Hocko <[email protected]>
Cc: Mike Rapoport <[email protected]>
Cc: Shuah Khan <[email protected]>
Cc: Suren Baghdasaryan <[email protected]>
Cc: Vlastimil Babka <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
---

 tools/testing/selftests/mm/pagemap_ioctl.c |    6 ------
 1 file changed, 6 deletions(-)

--- a/tools/testing/selftests/mm/pagemap_ioctl.c~selftests-mm-drop-redundant-open-in-mprotect_tests
+++ a/tools/testing/selftests/mm/pagemap_ioctl.c
@@ -1332,12 +1332,6 @@ int mprotect_tests(void)
 	int ret;
 	char *mem, *mem2;
 	struct page_region vec;
-	int pagemap_fd = open("/proc/self/pagemap", O_RDONLY);
-
-	if (pagemap_fd < 0) {
-		fprintf(stderr, "open() failed\n");
-		exit(1);
-	}
 
 	/* 1. Map two pages */
 	mem = mmap(0, 2 * page_size, PROT_READ|PROT_WRITE, MAP_PRIVATE | MAP_ANON, -1, 0);
_

Patches currently in -mm which might be from [email protected] are

ksm-update-comments-and-docs-to-reference-folio-mapping.patch
selftests-mm-drop-duplicate-test_seal_mprotect_two_vma_with_gap-call.patch
selftests-mm-fix-read_file-return-value-check.patch
mm-swap-fix-swap_cluster_lock-config_swap-stub-signature-mismatch.patch
mm-cma-remove-stray-newline-from-auto-generated-cma-area-name.patch
selftests-mm-drop-redundant-open-in-mprotect_tests.patch