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Ignore jemalloc versions before 4.0.0

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We now depend on explicitly creating memory arenas and disabling tcache
on those, and these features are not available with jemalloc < 4.
Instead of working around these issues, make the jemalloc >= 4.0.0 hard
requirement by looking for sdallocx() symbol that's only available from
that version.

The jemalloc < 4 was only used by RHEL 7 which is not supported since
BIND 9.19+.
This commit is contained in:
Ondřej Surý
2023-09-05 14:32:26 +02:00
parent be33cfa3f6
commit d862f4bc64
2 changed files with 1 additions and 6 deletions
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5
lib/isc/mem.c
View File

@@ -52,11 +52,6 @@
#elif defined(HAVE_JEMALLOC) #elif defined(HAVE_JEMALLOC)
#include <jemalloc/jemalloc.h> #include <jemalloc/jemalloc.h>
#define JEMALLOC_API_SUPPORTED 1 #define JEMALLOC_API_SUPPORTED 1
#if JEMALLOC_VERSION_MAJOR < 4
#define sdallocx(ptr, size, flags) dallocx(ptr, flags)
#endif /* JEMALLOC_VERSION_MAJOR < 4 */
#else #else
#include "jemalloc_shim.h" #include "jemalloc_shim.h"
#endif #endif

2
m4/ax_jemalloc.m4
View File

@@ -36,7 +36,7 @@ AC_DEFUN([AX_CHECK_JEMALLOC], [
save_LIBS="$LIBS" save_LIBS="$LIBS"
save_LDFLAGS="$LDFLAGS" save_LDFLAGS="$LDFLAGS"
save_CPPFLAGS="$CPPFLAGS" save_CPPFLAGS="$CPPFLAGS"
AC_SEARCH_LIBS([mallocx], [jemalloc], AC_SEARCH_LIBS([sdallocx], [jemalloc],
[ [
found=true found=true
AS_IF([test "$ac_cv_search_mallocx" != "none required"], AS_IF([test "$ac_cv_search_mallocx" != "none required"],