The patch titled
Subject: mm: vmalloc: correct use of __GFP_NOWARN mask in __vmalloc_area_node()
has been added to the -mm mm-unstable branch. Its filename is
mm-vmalloc-correct-use-of-__gfp_nowarn-mask-in-__vmalloc_area_node.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/mm-vmalloc-correct-use-of-__gfp_nowarn-mask-in-__vmalloc_area_node.patch
This patch will later appear in the mm-unstable branch at
git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Before you just go and hit "reply", please:
a) Consider who else should be cc'ed
b) Prefer to cc a suitable mailing list as well
c) Ideally: find the original patch on the mailing list and do a
reply-to-all to that, adding suitable additional cc's
*** Remember to use Documentation/process/submit-checklist.rst when testing your code ***
The -mm tree is included into linux-next via the mm-everything
branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
and is updated there every 2-3 working days
------------------------------------------------------
From: Lorenzo Stoakes <lstoakes@xxxxxxxxx>
Subject: mm: vmalloc: correct use of __GFP_NOWARN mask in __vmalloc_area_node()
Date: Mon, 19 Dec 2022 12:36:59 +0000
This function sets __GFP_NOWARN in the gfp_mask rendering the warn_alloc()
invocations no-ops. Remove this and instead rely on this flag being set
only for the vm_area_alloc_pages() function, ensuring it is cleared for
each of the warn_alloc() calls.
Link: https://lkml.kernel.org/r/20221219123659.90614-1-lstoakes@xxxxxxxxx
Signed-off-by: Lorenzo Stoakes <lstoakes@xxxxxxxxx>
Reviewed-by: Uladzislau Rezki (Sony) <urezki@xxxxxxxxx>
Cc: Baoquan He <bhe@xxxxxxxxxx>
Cc: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Cc: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx>
Cc: Nicholas Piggin <npiggin@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/vmalloc.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/mm/vmalloc.c~mm-vmalloc-correct-use-of-__gfp_nowarn-mask-in-__vmalloc_area_node
+++ a/mm/vmalloc.c
@@ -3031,7 +3031,7 @@ static void *__vmalloc_area_node(struct
int ret;
array_size = (unsigned long)nr_small_pages * sizeof(struct page *);
- gfp_mask |= __GFP_NOWARN;
+
if (!(gfp_mask & (GFP_DMA | GFP_DMA32)))
gfp_mask |= __GFP_HIGHMEM;
_
Patches currently in -mm which might be from lstoakes@xxxxxxxxx are
selftest-vm-add-mremap-expand-merge-offset-test.patch
mm-vmalloc-correct-use-of-__gfp_nowarn-mask-in-__vmalloc_area_node.patch
