The hppa Linux kernel supports the cacheflush() syscall
since version 6.5. This adds the glibc syscall wrapper.
Signed-off-by: Helge Deller <deller@gmx.de>
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v2: This patch was too late in release cycle for GLIBC_2.40,
so update now to GLIBC_2.41 instead.
John David Anglin