+ mm-swap-fix-swp_pfn_bits-with-config_phys_addr_t_64bit-on-32bit-fix.patch added to mm-hotfixes-unstable branch

[Andrew Morton <akpm@linux-foundation.org>]

The patch titled
     Subject: mm-swap-fix-swp_pfn_bits-with-config_phys_addr_t_64bit-on-32bit-fix
has been added to the -mm mm-hotfixes-unstable branch.  Its filename is
     mm-swap-fix-swp_pfn_bits-with-config_phys_addr_t_64bit-on-32bit-fix.patch

This patch will shortly appear at
     https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/mm-swap-fix-swp_pfn_bits-with-config_phys_addr_t_64bit-on-32bit-fix.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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------------------------------------------------------
From: David Hildenbrand <david@redhat.com>
Subject: mm-swap-fix-swp_pfn_bits-with-config_phys_addr_t_64bit-on-32bit-fix
Date: Wed, 7 Dec 2022 21:15:36 +0100
  CONFIG_PHYS_ADDR_T_64BIT on 32bit"

use "int" for comparison, as we're only comparing numbers < 64.

Link: https://lkml.kernel.org/r/1f157500-2676-7cef-a84e-9224ed64e540@redhat.com
Signed-off-by: David Hildenbrand <david@redhat.com>
Cc: Andrea Arcangeli <aarcange@redhat.com>
Cc: Hugh Dickins <hughd@google.com>
Cc: Peter Xu <peterx@redhat.com>
Cc: Yang Shi <shy828301@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---


--- a/include/linux/swapops.h~mm-swap-fix-swp_pfn_bits-with-config_phys_addr_t_64bit-on-32bit-fix
+++ a/include/linux/swapops.h
@@ -35,7 +35,7 @@
 #ifdef MAX_PHYSMEM_BITS
 #define SWP_PFN_BITS		(MAX_PHYSMEM_BITS - PAGE_SHIFT)
 #else  /* MAX_PHYSMEM_BITS */
-#define SWP_PFN_BITS		min_t(phys_addr_t, \
+#define SWP_PFN_BITS		min_t(int, \
 				      sizeof(phys_addr_t) * 8 - PAGE_SHIFT, \
 				      SWP_TYPE_SHIFT)
 #endif	/* MAX_PHYSMEM_BITS */
_

Patches currently in -mm which might be from david@redhat.com are

mm-swap-fix-swp_pfn_bits-with-config_phys_addr_t_64bit-on-32bit.patch
mm-swap-fix-swp_pfn_bits-with-config_phys_addr_t_64bit-on-32bit-v2.patch
mm-swap-fix-swp_pfn_bits-with-config_phys_addr_t_64bit-on-32bit-fix.patch
selftests-vm-add-ksm-unmerge-tests.patch
mm-pagewalk-dont-trigger-test_walk-in-walk_page_vma.patch
selftests-vm-add-test-to-measure-madv_unmergeable-performance.patch
mm-ksm-simplify-break_ksm-to-not-rely-on-vm_fault_write.patch
mm-remove-vm_fault_write.patch
mm-ksm-fix-ksm-cow-breaking-with-userfaultfd-wp-via-fault_flag_unshare.patch
mm-pagewalk-add-walk_page_range_vma.patch
mm-ksm-convert-break_ksm-to-use-walk_page_range_vma.patch
mm-gup-remove-foll_migration.patch
mm-gup_test-fix-pin_longterm_test_read-with-highmem.patch
selftests-vm-madv_populate-fix-missing-madv_populate_readwrite-definitions.patch
selftests-vm-cow-fix-compile-warning-on-32bit.patch
selftests-vm-ksm_functional_tests-fixes-for-32bit.patch