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NEURAL_HAM_LONG(-1.00)[-1.000]; MID_RHS_NOT_FQDN(0.50)[]; HAS_REPLYTO(0.30)[pvorel@suse.cz]; NEURAL_HAM_SHORT(-0.20)[-1.000]; MIME_GOOD(-0.10)[text/plain]; FUZZY_BLOCKED(0.00)[rspamd.com]; MIME_TRACE(0.00)[0:+]; DKIM_SIGNED(0.00)[suse.cz:s=susede2_rsa,suse.cz:s=susede2_ed25519]; ARC_NA(0.00)[]; RCPT_COUNT_TWO(0.00)[2]; TO_DN_SOME(0.00)[]; DBL_BLOCKED_OPENRESOLVER(0.00)[suse.cz:replyto,suse.cz:email]; RCVD_TLS_ALL(0.00)[]; FROM_EQ_ENVFROM(0.00)[]; FROM_HAS_DN(0.00)[]; TO_MATCH_ENVRCPT_ALL(0.00)[]; RCVD_COUNT_TWO(0.00)[2]; MISSING_XM_UA(0.00)[]; RCVD_VIA_SMTP_AUTH(0.00)[]; REPLYTO_EQ_FROM(0.00)[] X-Virus-Scanned: clamav-milter 1.0.7 at in-4.smtp.seeweb.it X-Virus-Status: Clean Subject: Re: [LTP] [PATCH] mmap_24-1: update code comments X-BeenThere: ltp@lists.linux.it X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux Test Project List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: Petr Vorel Cc: ltp@lists.linux.it Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: ltp-bounces+ltp=archiver.kernel.org@lists.linux.it Sender: "ltp" Hi Li, > Follow-up: mmap_24-1: Change vm.max_map_count if needed Thanks! ... > +++ b/testcases/open_posix_testsuite/conformance/interfaces/mmap/24-1.c > @@ -7,15 +7,23 @@ > * source tree. > * > * The mmap() function shall fail if: > - * [ENOMEM] MAP_FIXED was specified, and the range [addr,addr+len) > + * [ENOMEM] MAP_FIXED was specified, and the range [addr, addr+len) > * exceeds that allowed for the address space of a process; > - * or, if MAP_FIXED was not specified and > - * there is insufficient room in the address space to effect the mapping. > + * or, if MAP_FIXED was not specified and there is insufficient room > + * in the address space to effect the mapping; > + * or, if the process exceeds the maximum number of allowed memory mappings > + * (as defined by /proc/sys/vm/max_map_count). > * > * Test Steps: > - * 1. In a very long loop, keep mapping a shared memory object, > - * until there this insufficient room in the address space; > - * 3. Should get ENOMEM. > + * 1. In a very long loop, continuously map a shared memory object without > + * unmapping previous ones. > + * 2. The loop continues until mmap() fails with ENOMEM. > + * > + * Note: > + * This failure may occur due to either exhausting the process's > + * virtual address space, or hitting the system-wide limit on > + * the number of memory mappings (especially on systems with large RAM). > + * nit: please remove before commit this blank line. Reviewed-by: Petr Vorel Kind regards, Petr > */ -- Mailing list info: https://lists.linux.it/listinfo/ltp