Build jemalloc for 64k.

Still works on 4k systems but will allocate 16 pages at a time

jemalloc/.SRCINFO

@@ -1,7 +1,7 @@
 pkgbase = jemalloc
 	pkgdesc = General-purpose scalable concurrent malloc implementation
 	pkgver = 5.3.0
-	pkgrel = 5
+	pkgrel = 6
 	epoch = 1
 	url = https://jemalloc.net/
 	arch = x86_64

jemalloc/PKGBUILD

@@ -6,7 +6,7 @@
 pkgname=jemalloc
 epoch=1
 pkgver=5.3.0
-pkgrel=5
+pkgrel=6
 pkgdesc='General-purpose scalable concurrent malloc implementation'
 arch=(x86_64 powerpc64le powerpc64 powerpc riscv64)
 license=('BSD')
@@ -25,9 +25,15 @@ build() {
   # FS#71745: GCC-built jemalloc causes telegram-desktop to crash a lot. The reason is still not clear.
   export CC=clang
   export CXX=clang++
-
+  case ${CARCH} in
+    "powerpc64le")
+      USE_64K_PAGES=--with-lg-page=16
+	;;
+  esac
+  USE_64K_PAGES=--with-lg-page=16
   ./configure \
     --enable-prof \
+    $USE_64K_PAGES \
     --enable-autogen \
     --prefix=/usr
   make