The patch titled
Subject: mm/vmalloc: print correct vmalloc allocation size
has been added to the -mm tree. Its filename is
mm-vmalloc-improve-allocation-failure-error-messages-fix.patch
This patch should soon appear at
https://ozlabs.org/~akpm/mmots/broken-out/mm-vmalloc-improve-allocation-failure-error-messages-fix.patch
and later at
https://ozlabs.org/~akpm/mmotm/broken-out/mm-vmalloc-improve-allocation-failure-error-messages-fix.patch
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------------------------------------------------------
From: "Uladzislau Rezki (Sony)" <urezki@xxxxxxxxx>
Subject: mm/vmalloc: print correct vmalloc allocation size
On entry the area->nr_pages is not set yet and is zero, thus when an
allocation of the page-table array fails the vmalloc size will not be
reflected correctly in a error message.
Replace area->nr_pages by the nr_small_pages.
Link: https://lkml.kernel.org/r/20210329193214.GA28602@xxxxxxxxx
Fixes: 014ccf9b888d ("mm/vmalloc: improve allocation failure error messages")
Signed-off-by: Uladzislau Rezki (Sony) <urezki@xxxxxxxxx>
Reported-by: Colin King <colin.king@xxxxxxxxxxxxx>
Cc: Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx>
Cc: Nicholas Piggin <npiggin@xxxxxxxxx>
Cc: Matthew Wilcox <willy@xxxxxxxxxxxxx>
Cc: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/vmalloc.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/mm/vmalloc.c~mm-vmalloc-improve-allocation-failure-error-messages-fix
+++ a/mm/vmalloc.c
@@ -2793,7 +2793,7 @@ static void *__vmalloc_area_node(struct
warn_alloc(gfp_mask, NULL,
"vmalloc size %lu allocation failure: "
"page array size %lu allocation failed",
- area->nr_pages * PAGE_SIZE, array_size);
+ nr_small_pages * PAGE_SIZE, array_size);
return NULL;
}
_
Patches currently in -mm which might be from urezki@xxxxxxxxx are
mm-vmalloc-improve-allocation-failure-error-messages-fix.patch
