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Merge tag 'mm-hotfixes-stable-2024-07-26-14-33' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

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Pull misc hotfixes from Andrew Morton:
 "11 hotfixes, 7 of which are cc:stable.  7 are MM, 4 are other"

* tag 'mm-hotfixes-stable-2024-07-26-14-33' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm:
  nilfs2: handle inconsistent state in nilfs_btnode_create_block()
  selftests/mm: skip test for non-LPA2 and non-LVA systems
  mm/page_alloc: fix pcp->count race between drain_pages_zone() vs __rmqueue_pcplist()
  mm: memcg: add cacheline padding after lruvec in mem_cgroup_per_node
  alloc_tag: outline and export free_reserved_page()
  decompress_bunzip2: fix rare decompression failure
  mm/huge_memory: avoid PMD-size page cache if needed
  mm: huge_memory: use !CONFIG_64BIT to relax huge page alignment on 32 bit machines
  mm: fix old/young bit handling in the faulting path
  dt-bindings: arm: update James Clark's email address
  MAINTAINERS: mailmap: update James Clark's email address
This commit is contained in:
Linus Torvalds
2024-07-27 10:26:41 -07:00
parent 5256184b61 4811f7af60
commit 7b0acd911c
14 changed files with 95 additions and 42 deletions
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16
tools/testing/selftests/mm/va_high_addr_switch.c
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@@ -293,6 +293,20 @@ static int run_test(struct testcase *test, int count)
return ret;
}
#ifdef __aarch64__
/* Check if userspace VA > 48 bits */
static int high_address_present(void)
{
void *ptr = mmap((void *)(1UL << 50), 1, PROT_READ | PROT_WRITE,
MAP_PRIVATE | MAP_ANONYMOUS | MAP_FIXED, -1, 0);
if (ptr == MAP_FAILED)
return 0;
munmap(ptr, 1);
return 1;
}
#endif
static int supported_arch(void)
{
#if defined(__powerpc64__)
@@ -300,7 +314,7 @@ static int supported_arch(void)
#elif defined(__x86_64__)
return 1;
#elif defined(__aarch64__)
return 1;
return high_address_present();
#else
return 0;
#endif