Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
SLUB: Don't pass __GFP_FAIL for the initial allocation
SLUB uses higher order allocations by default but falls back to small
orders under memory pressure. Make sure the GFP mask used in the initial
allocation doesn't include __GFP_NOFAIL.
Signed-off-by: Pekka Enberg <penberg@cs.helsinki.fi>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
authored by
Pekka Enberg
and committed by
Linus Torvalds
ba52270d
4923abf9
+8
-2
+8
-2
mm/slub.c
+8
-2
mm/slub.c
···
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{
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struct page *page;
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struct kmem_cache_order_objects oo = s->oo;
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+
gfp_t alloc_gfp;
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flags |= s->allocflags;
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-
page = alloc_slab_page(flags | __GFP_NOWARN | __GFP_NORETRY, node,
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-
oo);
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/*
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* Let the initial higher-order allocation fail under memory pressure
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* so we fall-back to the minimum order allocation.
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*/
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alloc_gfp = (flags | __GFP_NOWARN | __GFP_NORETRY) & ~__GFP_NOFAIL;
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page = alloc_slab_page(alloc_gfp, node, oo);
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if (unlikely(!page)) {
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oo = s->min;
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/*