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Commit cd8c1e6c authored by Rob Clark's avatar Rob Clark Committed by Greg Kroah-Hartman
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dma-debug: make things less spammy under memory pressure



[ Upstream commit e19f8fa6ce1ca9b8b934ba7d2e8f34c95abc6e60 ]

Limit the error msg to avoid flooding the console.  If you have a lot of
threads hitting this at once, they could have already gotten passed the
dma_debug_disabled() check before they get to the point of allocation
failure, resulting in quite a lot of this error message spamming the
log.  Use pr_err_once() to limit that.

Signed-off-by: default avatarRob Clark <robdclark@chromium.org>
Signed-off-by: default avatarChristoph Hellwig <hch@lst.de>
Signed-off-by: default avatarSasha Levin <sashal@kernel.org>
parent a45e19fd
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