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authorLevin, Alexander (Sasha Levin) <alexander.levin@verizon.com>2017-11-16 04:35:54 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2017-11-16 05:21:04 +0300
commit75f296d93bcebcfe375884ddac79e30263a31766 (patch)
treed536ce2a9f7837c26644e14a0ea2ab7b01c07fed /arch/x86/mm
parent4950276672fce5c241857540f8561c440663673d (diff)
downloadlinux-75f296d93bcebcfe375884ddac79e30263a31766.tar.xz
kmemcheck: stop using GFP_NOTRACK and SLAB_NOTRACK
Convert all allocations that used a NOTRACK flag to stop using it. Link: http://lkml.kernel.org/r/20171007030159.22241-3-alexander.levin@verizon.com Signed-off-by: Sasha Levin <alexander.levin@verizon.com> Cc: Alexander Potapenko <glider@google.com> Cc: Eric W. Biederman <ebiederm@xmission.com> Cc: Michal Hocko <mhocko@kernel.org> Cc: Pekka Enberg <penberg@kernel.org> Cc: Steven Rostedt <rostedt@goodmis.org> Cc: Tim Hansen <devtimhansen@gmail.com> Cc: Vegard Nossum <vegardno@ifi.uio.no> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/x86/mm')
-rw-r--r--arch/x86/mm/init.c3
-rw-r--r--arch/x86/mm/init_64.c2
-rw-r--r--arch/x86/mm/pageattr.c10
-rw-r--r--arch/x86/mm/pgtable.c2
4 files changed, 8 insertions, 9 deletions
diff --git a/arch/x86/mm/init.c b/arch/x86/mm/init.c
index a22c2b95e513..ef94620ceb8a 100644
--- a/arch/x86/mm/init.c
+++ b/arch/x86/mm/init.c
@@ -92,8 +92,7 @@ __ref void *alloc_low_pages(unsigned int num)
unsigned int order;
order = get_order((unsigned long)num << PAGE_SHIFT);
- return (void *)__get_free_pages(GFP_ATOMIC | __GFP_NOTRACK |
- __GFP_ZERO, order);
+ return (void *)__get_free_pages(GFP_ATOMIC | __GFP_ZERO, order);
}
if ((pgt_buf_end + num) > pgt_buf_top || !can_use_brk_pgt) {
diff --git a/arch/x86/mm/init_64.c b/arch/x86/mm/init_64.c
index adcea90a2046..5fa3a58b5d78 100644
--- a/arch/x86/mm/init_64.c
+++ b/arch/x86/mm/init_64.c
@@ -184,7 +184,7 @@ static __ref void *spp_getpage(void)
void *ptr;
if (after_bootmem)
- ptr = (void *) get_zeroed_page(GFP_ATOMIC | __GFP_NOTRACK);
+ ptr = (void *) get_zeroed_page(GFP_ATOMIC);
else
ptr = alloc_bootmem_pages(PAGE_SIZE);
diff --git a/arch/x86/mm/pageattr.c b/arch/x86/mm/pageattr.c
index 3fe68483463c..85cf12219dea 100644
--- a/arch/x86/mm/pageattr.c
+++ b/arch/x86/mm/pageattr.c
@@ -753,7 +753,7 @@ static int split_large_page(struct cpa_data *cpa, pte_t *kpte,
if (!debug_pagealloc_enabled())
spin_unlock(&cpa_lock);
- base = alloc_pages(GFP_KERNEL | __GFP_NOTRACK, 0);
+ base = alloc_pages(GFP_KERNEL, 0);
if (!debug_pagealloc_enabled())
spin_lock(&cpa_lock);
if (!base)
@@ -904,7 +904,7 @@ static void unmap_pud_range(p4d_t *p4d, unsigned long start, unsigned long end)
static int alloc_pte_page(pmd_t *pmd)
{
- pte_t *pte = (pte_t *)get_zeroed_page(GFP_KERNEL | __GFP_NOTRACK);
+ pte_t *pte = (pte_t *)get_zeroed_page(GFP_KERNEL);
if (!pte)
return -1;
@@ -914,7 +914,7 @@ static int alloc_pte_page(pmd_t *pmd)
static int alloc_pmd_page(pud_t *pud)
{
- pmd_t *pmd = (pmd_t *)get_zeroed_page(GFP_KERNEL | __GFP_NOTRACK);
+ pmd_t *pmd = (pmd_t *)get_zeroed_page(GFP_KERNEL);
if (!pmd)
return -1;
@@ -1120,7 +1120,7 @@ static int populate_pgd(struct cpa_data *cpa, unsigned long addr)
pgd_entry = cpa->pgd + pgd_index(addr);
if (pgd_none(*pgd_entry)) {
- p4d = (p4d_t *)get_zeroed_page(GFP_KERNEL | __GFP_NOTRACK);
+ p4d = (p4d_t *)get_zeroed_page(GFP_KERNEL);
if (!p4d)
return -1;
@@ -1132,7 +1132,7 @@ static int populate_pgd(struct cpa_data *cpa, unsigned long addr)
*/
p4d = p4d_offset(pgd_entry, addr);
if (p4d_none(*p4d)) {
- pud = (pud_t *)get_zeroed_page(GFP_KERNEL | __GFP_NOTRACK);
+ pud = (pud_t *)get_zeroed_page(GFP_KERNEL);
if (!pud)
return -1;
diff --git a/arch/x86/mm/pgtable.c b/arch/x86/mm/pgtable.c
index 17ebc5a978cc..96d456a94b03 100644
--- a/arch/x86/mm/pgtable.c
+++ b/arch/x86/mm/pgtable.c
@@ -7,7 +7,7 @@
#include <asm/fixmap.h>
#include <asm/mtrr.h>
-#define PGALLOC_GFP (GFP_KERNEL_ACCOUNT | __GFP_NOTRACK | __GFP_ZERO)
+#define PGALLOC_GFP (GFP_KERNEL_ACCOUNT | __GFP_ZERO)
#ifdef CONFIG_HIGHPTE
#define PGALLOC_USER_GFP __GFP_HIGHMEM