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mm: vmalloc: correct use of __GFP_NOWARN mask in __vmalloc_area_node() 

JIRA: https://issues.redhat.com/browse/RHEL-27740
Tested: by me

commit 80b1d8fdfad1f3084450afa6e2efcdcce867d4af
Author: Lorenzo Stoakes <lstoakes@gmail.com>
Date:   Mon Dec 19 12:36:59 2022 +0000

    mm: vmalloc: correct use of __GFP_NOWARN mask in __vmalloc_area_node()

    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@gmail.com
    Signed-off-by: Lorenzo Stoakes <lstoakes@gmail.com>
    Reviewed-by: Uladzislau Rezki (Sony) <urezki@gmail.com>
    Cc: Baoquan He <bhe@redhat.com>
    Cc: Christoph Hellwig <hch@infradead.org>
    Cc: Matthew Wilcox (Oracle) <willy@infradead.org>
    Cc: Nicholas Piggin <npiggin@gmail.com>
    Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

Signed-off-by: Aristeu Rozanski <arozansk@redhat.com>
This commit is contained in:
Aristeu Rozanski 2024-04-29 14:32:56 -04:00
parent 2d696e46d7
commit d58c35d7c6
1 changed files with 1 additions and 1 deletions
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2
mm/vmalloc.c
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@ -3052,7 +3052,7 @@ static void *__vmalloc_area_node(struct vm_struct *area, gfp_t gfp_mask,
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;