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Subject[PATCH v2 2/2] mm/vmalloc: Remove gfpflags_allow_blocking() check
Date
Get rid of gfpflags_allow_blocking() check from the vmalloc() path
as it is supposed to be sleepable anyway. Thus remove it from the
alloc_vmap_area() as well as from the vm_area_alloc_pages().

Signed-off-by: Uladzislau Rezki (Sony) <urezki@gmail.com>
---
mm/vmalloc.c | 18 ++++++++----------
1 file changed, 8 insertions(+), 10 deletions(-)

diff --git a/mm/vmalloc.c b/mm/vmalloc.c
index 5297958ac7c5..93a9cbdba905 100644
--- a/mm/vmalloc.c
+++ b/mm/vmalloc.c
@@ -1479,6 +1479,7 @@ static struct vmap_area *alloc_vmap_area(unsigned long size,
int node, gfp_t gfp_mask)
{
struct vmap_area *va;
+ unsigned long freed;
unsigned long addr;
int purged = 0;
int ret;
@@ -1542,13 +1543,12 @@ static struct vmap_area *alloc_vmap_area(unsigned long size,
goto retry;
}

- if (gfpflags_allow_blocking(gfp_mask)) {
- unsigned long freed = 0;
- blocking_notifier_call_chain(&vmap_notify_list, 0, &freed);
- if (freed > 0) {
- purged = 0;
- goto retry;
- }
+ freed = 0;
+ blocking_notifier_call_chain(&vmap_notify_list, 0, &freed);
+
+ if (freed > 0) {
+ purged = 0;
+ goto retry;
}

if (!(gfp_mask & __GFP_NOWARN) && printk_ratelimit())
@@ -2834,9 +2834,7 @@ vm_area_alloc_pages(gfp_t gfp, int nid,
for (i = 0; i < (1U << order); i++)
pages[nr_allocated + i] = page + i;

- if (gfpflags_allow_blocking(gfp))
- cond_resched();
-
+ cond_resched();
nr_allocated += 1U << order;
}

--
2.20.1
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