s390/extmem: remove stale -ENOSPC comment and handling (0ef5d691) · Commits · 戴 / test

segment_load() will no longer return -ENOSPC. If a segment overlaps with storage, we now also return -EBUSY. Remove the stale comment from __segment_load() and the stale handling from segment_warning(). Cc: Vasily Gorbik <gor@linux.ibm.com> Cc: Christian Borntraeger <borntraeger@de.ibm.com> Cc: Andrew Morton <akpm@linux-foundation.org> Suggested-by:

Gerald Schaefer <gerald.schaefer@de.ibm.com> Signed-off-by:

David Hildenbrand <david@redhat.com> Message-Id: <20200630084240.8283-1-david@redhat.com> Signed-off-by:

Heiko Carstens <heiko.carstens@de.ibm.com>

arch/s390/mm/extmem.c

+1 −6

Original line number	Diff line number	Diff line
		@@ -401,8 +401,7 @@ __segment_load (char name, int do_nonshared, unsigned long addr, unsigned long
		* -EIO : could not perform query or load diagnose
		* -ENOENT : no such segment
		* -EOPNOTSUPP: multi-part segment cannot be used with linux
		* -ENOSPC : segment cannot be used (overlaps with storage)
		* -EBUSY : segment can temporarily not be used (overlaps with dcss)
		* -EBUSY : segment cannot be used (overlaps with dcss or storage)
		* -ERANGE : segment cannot be used (exceeds kernel mapping range)
		* -EPERM : segment is currently loaded with incompatible permissions
		* -ENOMEM : out of memory
		@@ -627,10 +626,6 @@ void segment_warning(int rc, char *seg_name)
		pr_err("DCSS %s has multiple page ranges and cannot be "
		"loaded or queried\n", seg_name);
		break;
		case -ENOSPC:
		pr_err("DCSS %s overlaps with used storage and cannot "
		"be loaded\n", seg_name);
		break;
		case -EBUSY:
		pr_err("%s needs used memory resources and cannot be "
		"loaded or queried\n", seg_name);

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