From: Vasily Averin <vvs@xxxxxxxxxxxxx>
Subject: mm/vmalloc: repair warn_alloc()s in __vmalloc_area_node()
Commit f255935b9767 ("mm: cleanup the gfp_mask handling in
__vmalloc_area_node") added __GFP_NOWARN to gfp_mask unconditionally
however it disabled all output inside warn_alloc() call. This patch saves
original gfp_mask and provides it to all warn_alloc() calls.
Link: https://lkml.kernel.org/r/f4f3187b-9684-e426-565d-827c2a9bbb0e@xxxxxxxxxxxxx
Fixes: f255935b9767 ("mm: cleanup the gfp_mask handling in __vmalloc_area_node")
Signed-off-by: Vasily Averin <vvs@xxxxxxxxxxxxx>
Reviewed-by: Christoph Hellwig <hch@xxxxxx>
Reviewed-by: Muchun Song <songmuchun@xxxxxxxxxxxxx>
Cc: Uladzislau Rezki (Sony) <urezki@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/vmalloc.c | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)
--- a/mm/vmalloc.c~mm-vmalloc-repair-warn_allocs-in-__vmalloc_area_node
+++ a/mm/vmalloc.c
@@ -2887,6 +2887,7 @@ static void *__vmalloc_area_node(struct
int node)
{
const gfp_t nested_gfp = (gfp_mask & GFP_RECLAIM_MASK) | __GFP_ZERO;
+ const gfp_t orig_gfp_mask = gfp_mask;
unsigned long addr = (unsigned long)area->addr;
unsigned long size = get_vm_area_size(area);
unsigned long array_size;
@@ -2907,7 +2908,7 @@ static void *__vmalloc_area_node(struct
}
if (!area->pages) {
- warn_alloc(gfp_mask, NULL,
+ warn_alloc(orig_gfp_mask, NULL,
"vmalloc error: size %lu, failed to allocated page array size %lu",
nr_small_pages * PAGE_SIZE, array_size);
free_vm_area(area);
@@ -2927,7 +2928,7 @@ static void *__vmalloc_area_node(struct
* allocation request, free them via __vfree() if any.
*/
if (area->nr_pages != nr_small_pages) {
- warn_alloc(gfp_mask, NULL,
+ warn_alloc(orig_gfp_mask, NULL,
"vmalloc error: size %lu, page order %u, failed to allocate pages",
area->nr_pages * PAGE_SIZE, page_order);
goto fail;
@@ -2935,7 +2936,7 @@ static void *__vmalloc_area_node(struct
if (vmap_pages_range(addr, addr + size, prot, area->pages,
page_shift) < 0) {
- warn_alloc(gfp_mask, NULL,
+ warn_alloc(orig_gfp_mask, NULL,
"vmalloc error: size %lu, failed to map pages",
area->nr_pages * PAGE_SIZE);
goto fail;
_
