Merge branch 'akpm' (patches from Andrew)

Merge misc fixes from Andrew Morton:
 "18 patches.

  Subsystems affected by this patch series: mm (pagealloc, memcg, kasan,
  memory-failure, and highmem), ubsan, proc, and MAINTAINERS"

* emailed patches from Andrew Morton <akpm@linux-foundation.org>:
  MAINTAINERS: add a couple more files to the Clang/LLVM section
  proc_sysctl: fix oops caused by incorrect command parameters
  powerpc/mm/highmem: use __set_pte_at() for kmap_local()
  mips/mm/highmem: use set_pte() for kmap_local()
  mm/highmem: prepare for overriding set_pte_at()
  sparc/mm/highmem: flush cache and TLB
  mm: fix page reference leak in soft_offline_page()
  ubsan: disable unsigned-overflow check for i386
  kasan, mm: fix resetting page_alloc tags for HW_TAGS
  kasan, mm: fix conflicts with init_on_alloc/free
  kasan: fix HW_TAGS boot parameters
  kasan: fix incorrect arguments passing in kasan_add_zero_shadow
  kasan: fix unaligned address is unhandled in kasan_remove_zero_shadow
  mm: fix numa stats for thp migration
  mm: memcg: fix memcg file_dirty numa stat
  mm: memcg/slab: optimize objcg stock draining
  mm: fix initialization of struct page for holes in memory layout
  x86/setup: don't remove E820_TYPE_RAM for pfn 0

1 files changed, 13 insertions, 10 deletions

diff --git a/mm/kasan/init.c b/mm/kasan/init.c
index 7ca0b92d5886..c4605ac9837b 100644
--- a/mm/kasan/init.c
+++ b/mm/kasan/init.c
@@ -373,9 +373,10 @@ static void kasan_remove_pmd_table(pmd_t *pmd, unsigned long addr,
 
 		if (kasan_pte_table(*pmd)) {
 			if (IS_ALIGNED(addr, PMD_SIZE) &&
-			    IS_ALIGNED(next, PMD_SIZE))
+			    IS_ALIGNED(next, PMD_SIZE)) {
 				pmd_clear(pmd);
-			continue;
+				continue;
+			}
 		}
 		pte = pte_offset_kernel(pmd, addr);
 		kasan_remove_pte_table(pte, addr, next);
@@ -398,9 +399,10 @@ static void kasan_remove_pud_table(pud_t *pud, unsigned long addr,
 
 		if (kasan_pmd_table(*pud)) {
 			if (IS_ALIGNED(addr, PUD_SIZE) &&
-			    IS_ALIGNED(next, PUD_SIZE))
+			    IS_ALIGNED(next, PUD_SIZE)) {
 				pud_clear(pud);
-			continue;
+				continue;
+			}
 		}
 		pmd = pmd_offset(pud, addr);
 		pmd_base = pmd_offset(pud, 0);
@@ -424,9 +426,10 @@ static void kasan_remove_p4d_table(p4d_t *p4d, unsigned long addr,
 
 		if (kasan_pud_table(*p4d)) {
 			if (IS_ALIGNED(addr, P4D_SIZE) &&
-			    IS_ALIGNED(next, P4D_SIZE))
+			    IS_ALIGNED(next, P4D_SIZE)) {
 				p4d_clear(p4d);
-			continue;
+				continue;
+			}
 		}
 		pud = pud_offset(p4d, addr);
 		kasan_remove_pud_table(pud, addr, next);
@@ -457,9 +460,10 @@ void kasan_remove_zero_shadow(void *start, unsigned long size)
 
 		if (kasan_p4d_table(*pgd)) {
 			if (IS_ALIGNED(addr, PGDIR_SIZE) &&
-			    IS_ALIGNED(next, PGDIR_SIZE))
+			    IS_ALIGNED(next, PGDIR_SIZE)) {
 				pgd_clear(pgd);
-			continue;
+				continue;
+			}
 		}
 
 		p4d = p4d_offset(pgd, addr);
@@ -482,7 +486,6 @@ int kasan_add_zero_shadow(void *start, unsigned long size)
 
 	ret = kasan_populate_early_shadow(shadow_start, shadow_end);
 	if (ret)
-		kasan_remove_zero_shadow(shadow_start,
-					size >> KASAN_SHADOW_SCALE_SHIFT);
+		kasan_remove_zero_shadow(start, size);
 	return ret;
 }