forked from luck/tmp_suning_uos_patched
222ebeda17
[ Upstream commit 72f961320d5d15bfcb26dbe3edaa3f7d25fd2c8a ]
If the host is under sever memory pressure, and RX forward
memory allocation for the msk fails, we try to borrow the
required memory from the ingress subflow.
The current attempt is a bit flaky: if skb->truesize is less
than SK_MEM_QUANTUM, the ssk will not release any memory, and
the next schedule will fail again.
Instead, directly move the required amount of pages from the
ssk to the msk, if available
Fixes:
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|---|---|---|
| .. | ||
| crypto_test.c | ||
| crypto.c | ||
| ctrl.c | ||
| diag.c | ||
| Kconfig | ||
| Makefile | ||
| mib.c | ||
| mib.h | ||
| mptcp_diag.c | ||
| options.c | ||
| pm_netlink.c | ||
| pm.c | ||
| protocol.c | ||
| protocol.h | ||
| subflow.c | ||
| syncookies.c | ||
| token_test.c | ||
| token.c | ||