diff --git a/glibc-rhel-17157.patch b/glibc-rhel-17157.patch new file mode 100644 index 0000000..5ea1f99 --- /dev/null +++ b/glibc-rhel-17157.patch @@ -0,0 +1,95 @@ +commit 472894d2cfee5751b44c0aaa71ed87df81c8e62e +Author: Adhemerval Zanella +Date: Wed Oct 11 13:43:56 2023 -0300 + + malloc: Use __get_nprocs on arena_get2 (BZ 30945) + + This restore the 2.33 semantic for arena_get2. It was changed by + 11a02b035b46 to avoid arena_get2 call malloc (back when __get_nproc + was refactored to use an scratch_buffer - 903bc7dcc2acafc). The + __get_nproc was refactored over then and now it also avoid to call + malloc. + + The 11a02b035b46 did not take in consideration any performance + implication, which should have been discussed properly. The + __get_nprocs_sched is still used as a fallback mechanism if procfs + and sysfs is not acessible. + + Checked on x86_64-linux-gnu. + Reviewed-by: DJ Delorie + +diff --git a/include/sys/sysinfo.h b/include/sys/sysinfo.h +index c490561581..65742b1036 100644 +--- a/include/sys/sysinfo.h ++++ b/include/sys/sysinfo.h +@@ -14,10 +14,6 @@ libc_hidden_proto (__get_nprocs_conf) + extern int __get_nprocs (void); + libc_hidden_proto (__get_nprocs) + +-/* Return the number of available processors which the process can +- be scheduled. */ +-extern int __get_nprocs_sched (void) attribute_hidden; +- + /* Return number of physical pages of memory in the system. */ + extern long int __get_phys_pages (void); + libc_hidden_proto (__get_phys_pages) +diff --git a/malloc/arena.c b/malloc/arena.c +index d1e214ac2e..a1a75e5a2b 100644 +--- a/malloc/arena.c ++++ b/malloc/arena.c +@@ -824,7 +824,7 @@ arena_get2 (size_t size, mstate avoid_arena) + narenas_limit = mp_.arena_max; + else if (narenas > mp_.arena_test) + { +- int n = __get_nprocs_sched (); ++ int n = __get_nprocs (); + + if (n >= 1) + narenas_limit = NARENAS_FROM_NCORES (n); +diff --git a/misc/getsysstats.c b/misc/getsysstats.c +index 5f36adc0e8..23cc112074 100644 +--- a/misc/getsysstats.c ++++ b/misc/getsysstats.c +@@ -44,12 +44,6 @@ weak_alias (__get_nprocs, get_nprocs) + link_warning (get_nprocs, "warning: get_nprocs will always return 1") + + +-int +-__get_nprocs_sched (void) +-{ +- return 1; +-} +- + long int + __get_phys_pages (void) + { +diff --git a/sysdeps/mach/getsysstats.c b/sysdeps/mach/getsysstats.c +index 5184e5eee1..d3834f3b69 100644 +--- a/sysdeps/mach/getsysstats.c ++++ b/sysdeps/mach/getsysstats.c +@@ -62,12 +62,6 @@ __get_nprocs (void) + libc_hidden_def (__get_nprocs) + weak_alias (__get_nprocs, get_nprocs) + +-int +-__get_nprocs_sched (void) +-{ +- return __get_nprocs (); +-} +- + /* Return the number of physical pages on the system. */ + long int + __get_phys_pages (void) +diff --git a/sysdeps/unix/sysv/linux/getsysstats.c b/sysdeps/unix/sysv/linux/getsysstats.c +index b0b6c154ac..1ea7f1f01f 100644 +--- a/sysdeps/unix/sysv/linux/getsysstats.c ++++ b/sysdeps/unix/sysv/linux/getsysstats.c +@@ -29,7 +29,7 @@ + #include + #include + +-int ++static int + __get_nprocs_sched (void) + { + enum diff --git a/glibc.spec b/glibc.spec index da34e00..ca0c74b 100644 --- a/glibc.spec +++ b/glibc.spec @@ -155,7 +155,7 @@ end \ Summary: The GNU libc libraries Name: glibc Version: %{glibcversion} -Release: 92%{?dist} +Release: 93%{?dist} # In general, GPLv2+ is used by programs, LGPLv2+ is used for # libraries. @@ -785,7 +785,7 @@ Patch548: glibc-RHEL-15343-1.patch Patch549: glibc-RHEL-15343-2.patch Patch550: glibc-RHEL-15343-3.patch Patch551: glibc-RHEL-15343-4.patch - +Patch552: glibc-rhel-17157.patch ############################################################################## # Continued list of core "glibc" package information: @@ -2944,6 +2944,9 @@ update_gconv_modules_cache () %endif %changelog +* Wed Dec 6 2023 Patsy Griffin - 2.34-93 +- malloc: Use __get_nprocs on arena_get2. (RHEL-17157) + * Fri Dec 1 2023 Patsy Griffin - 2.34-92 - Improve test coverage for wcsdup, strdup and strndup. (RHEL-15343)