mm: kmemleak: take a full lowmem check in kmemleak_*_phys()

[mirror_ubuntu-jammy-kernel.git] / mm / kmemleak.c

diff --git a/mm/kmemleak.c b/mm/kmemleak.c
index b78861b8e0139bb3d3292f736e269235354aa0de..859303aae180973ae967896733675d6aa48a7bf7 100644 (file)
--- a/mm/kmemleak.c
+++ b/mm/kmemleak.c
@@ -1125,7 +1125,7 @@ EXPORT_SYMBOL(kmemleak_no_scan);
 void __ref kmemleak_alloc_phys(phys_addr_t phys, size_t size, int min_count,
                               gfp_t gfp)
 {
-       if (!IS_ENABLED(CONFIG_HIGHMEM) || PHYS_PFN(phys) < max_low_pfn)
+       if (PHYS_PFN(phys) >= min_low_pfn && PHYS_PFN(phys) < max_low_pfn)
                kmemleak_alloc(__va(phys), size, min_count, gfp);
 }
 EXPORT_SYMBOL(kmemleak_alloc_phys);
@@ -1139,7 +1139,7 @@ EXPORT_SYMBOL(kmemleak_alloc_phys);
  */
 void __ref kmemleak_free_part_phys(phys_addr_t phys, size_t size)
 {
-       if (!IS_ENABLED(CONFIG_HIGHMEM) || PHYS_PFN(phys) < max_low_pfn)
+       if (PHYS_PFN(phys) >= min_low_pfn && PHYS_PFN(phys) < max_low_pfn)
                kmemleak_free_part(__va(phys), size);
 }
 EXPORT_SYMBOL(kmemleak_free_part_phys);
@@ -1151,7 +1151,7 @@ EXPORT_SYMBOL(kmemleak_free_part_phys);
  */
 void __ref kmemleak_not_leak_phys(phys_addr_t phys)
 {
-       if (!IS_ENABLED(CONFIG_HIGHMEM) || PHYS_PFN(phys) < max_low_pfn)
+       if (PHYS_PFN(phys) >= min_low_pfn && PHYS_PFN(phys) < max_low_pfn)
                kmemleak_not_leak(__va(phys));
 }
 EXPORT_SYMBOL(kmemleak_not_leak_phys);
@@ -1163,7 +1163,7 @@ EXPORT_SYMBOL(kmemleak_not_leak_phys);
  */
 void __ref kmemleak_ignore_phys(phys_addr_t phys)
 {
-       if (!IS_ENABLED(CONFIG_HIGHMEM) || PHYS_PFN(phys) < max_low_pfn)
+       if (PHYS_PFN(phys) >= min_low_pfn && PHYS_PFN(phys) < max_low_pfn)
                kmemleak_ignore(__va(phys));
 }
 EXPORT_SYMBOL(kmemleak_ignore_phys);