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BACKPORT: mm: cma: print region name on failure

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Print the name of the CMA region for convenience.  This is useful
information to have when cma_alloc() fails.

[pdaly@codeaurora.org: print the "count" variable]
  Link: https://lkml.kernel.org/r/20210209142414.12768-1-georgi.djakov@linaro.org

Link: https://lkml.kernel.org/r/20210208115200.20286-1-georgi.djakov@linaro.org
Signed-off-by: Patrick Daly <pdaly@codeaurora.org>
Signed-off-by: Georgi Djakov <georgi.djakov@linaro.org>
Acked-by: Minchan Kim <minchan@kernel.org>
Reviewed-by: David Hildenbrand <david@redhat.com>
Reviewed-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Minchan Kim <minchan@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
(cherry picked from commit a052d4d13d)
[minchan: Resolved minor conflict with gfp_t in mm/cma.c ]
Signed-off-by: Minchan Kim <minchan@google.com>
Bug: 181887812
Change-Id: I2300244d9414b4b43166798fe936047647e22ca8
This commit is contained in:
Patrick Daly
2021-02-25 17:16:44 -08:00
committed by Suren Baghdasaryan
parent 06080c43d2
commit 0567ea33cf
1 changed files with 2 additions and 2 deletions
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4
mm/cma.c
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@@ -524,8 +524,8 @@ struct page *cma_alloc(struct cma *cma, size_t count, unsigned int align,
}
if (ret && !(gfp_mask & __GFP_NOWARN)) {
pr_err("%s: alloc failed, req-size: %zu pages, ret: %d\n",
__func__, count, ret);
pr_err("%s: %s: alloc failed, req-size: %zu pages, ret: %d\n",
__func__, cma->name, count, ret);
cma_debug_show_areas(cma);
}